[C++][Compute]Compiler error with gcc7 and c++17 #32818

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Closed
[C++][Compute]Compiler error with gcc7 and c++17#32818
Labels
Component: C++Type: bug
Milestone
10.0.0

Description

@asfimport
asfimport
opened on Aug 30, 2022

When compiling the c++ compute component with gcc6/7 with std=c++14/17, compiler internal errors are triggered at compute/kernels/aggregate_internal.h:176:24 and various places at compute/kernels/scalar_set_lookup.cc

cpp/src/arrow/compute/kernels/aggregate_internal.h:176:24: internalcompilererror: inmaybe_undo_parenthesized_ref, atcp/semantics.c:1740DCHECK_LT(cur_level, levels);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
0x683399maybe_undo_parenthesized_ref(tree_node*)
../../gcc-7.5.0/gcc/cp/semantics.c:17390x6c8638cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21800x6c949ccp_fold_maybe_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20420x6c8346cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21490x6c949ccp_fold_maybe_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20420x6c8234cp_fold_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20630x6c8234cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:23040x66a037cp_convert_and_check(tree_node*, tree_node*, int)
../../gcc-7.5.0/gcc/cp/cvt.c:6400x59bb8aconvert_like_real
../../gcc-7.5.0/gcc/cp/call.c:70530x59de12build_over_call
../../gcc-7.5.0/gcc/cp/call.c:78690x5a3c2fbuild_new_function_call(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool, int)
../../gcc-7.5.0/gcc/cp/call.c:42720x685601finish_call_expr(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool, bool, int)
../../gcc-7.5.0/gcc/cp/semantics.c:25010x5e1b83tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:175080x5e121btsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:175440x5d6c47tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:167320x5d6c47tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:166130x5d6a85tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:158740x5d6ad5tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:158600x5d61detsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:160360x5d6ad5tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:15860Pleasesubmitafullbugreport,
withpreprocessedsourceifappropriate.
Pleaseincludethecompletebacktracewithanybugreport.
See <https://gcc.gnu.org/bugs/> for instructions. 
cpp/src/arrow/compute/kernels/scalar_set_lookup.cc:70:50: internalcompilererror: inmaybe_undo_parenthesized_ref, atcp/semantics.c:1740autoon_found = [&](int32_tmemo_index) { DCHECK_LT(memo_index, memo_size); };
0x683399maybe_undo_parenthesized_ref(tree_node*)
../../gcc-7.5.0/gcc/cp/semantics.c:17390x6c8638cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21800x6c949ccp_fold_maybe_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20420x6c8346cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21490x66a037cp_convert_and_check(tree_node*, tree_node*, int)
../../gcc-7.5.0/gcc/cp/cvt.c:6400x65f5d4cp_build_binary_op(unsignedint, tree_code, tree_node*, tree_node*, int)
../../gcc-7.5.0/gcc/cp/typeck.c:52080x5a689cbuild_new_op_1
../../gcc-7.5.0/gcc/cp/call.c:59780x5a737ebuild_new_op(unsigned int, tree_code, int, tree_node*, tree_node*, tree_node*, tree_node**, int)
../../gcc-7.5.0/gcc/cp/call.c:60220x657a12build_x_binary_op(unsigned int, tree_code, tree_node*, tree_code, tree_node*, tree_code, tree_node**, int)
../../gcc-7.5.0/gcc/cp/typeck.c:39410x5e04fftsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:170010x5e1120tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:169400x5e1120tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:169400x5e1676tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:173120x5e121btsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:175440x5d6c47tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:167320x5d6c47tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:166130x5d6a85tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:158740x5d696btsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:160900x5d696btsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:160900x5d4aaetsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:15845Pleasesubmitafullbugreport,
withpreprocessedsourceifappropriate.
Pleaseincludethecompletebacktracewithanybugreport.
See <https://gcc.gnu.org/bugs/> for instructions.

This is a known bug of gcc6/7. It is triggered when a const integer is capture by reference in a lambda function, and is parenthesized in that lambda code. See also: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83204 and kokkos/kokkos-kernels#349

An easy fix is to capture levels and memo_size by value. {}Since they are ints, capturing by value is also a performace improvement{}. If there is no objection, I will submit a PR to fix this.

Environment: gcc6/7
c++14/17
Reporter: Jin Shang / @js8544
Assignee: Jin Shang / @js8544

Related issues:

PRs and other links:

Note: This issue was originally created as ARROW-17567. Please see the migration documentation for further details.

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      , 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
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}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

      Skip to content
      [C++][Compute]Compiler error with gcc7 and c++17 #32818
      Closed
      Closed
      [C++][Compute]Compiler error with gcc7 and c++17#32818
      Labels
      Component: C++Type: bug
      Milestone
      10.0.0
      Description
      @asfimport
      asfimport
      opened on Aug 30, 2022
      When compiling the c++ compute component with gcc6/7 with std=c++14/17, compiler internal errors are triggered at compute/kernels/aggregate_internal.h:176:24 and various places at compute/kernels/scalar_set_lookup.cc
      cpp/src/arrow/compute/kernels/aggregate_internal.h:176:24: internalcompilererror: inmaybe_undo_parenthesized_ref, atcp/semantics.c:1740DCHECK_LT(cur_level, levels);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
0x683399maybe_undo_parenthesized_ref(tree_node*)
../../gcc-7.5.0/gcc/cp/semantics.c:17390x6c8638cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21800x6c949ccp_fold_maybe_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20420x6c8346cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21490x6c949ccp_fold_maybe_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20420x6c8234cp_fold_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20630x6c8234cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:23040x66a037cp_convert_and_check(tree_node*, tree_node*, int)
../../gcc-7.5.0/gcc/cp/cvt.c:6400x59bb8aconvert_like_real
../../gcc-7.5.0/gcc/cp/call.c:70530x59de12build_over_call
../../gcc-7.5.0/gcc/cp/call.c:78690x5a3c2fbuild_new_function_call(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool, int)
../../gcc-7.5.0/gcc/cp/call.c:42720x685601finish_call_expr(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool, bool, int)
../../gcc-7.5.0/gcc/cp/semantics.c:25010x5e1b83tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:175080x5e121btsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:175440x5d6c47tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:167320x5d6c47tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:166130x5d6a85tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:158740x5d6ad5tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:158600x5d61detsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:160360x5d6ad5tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:15860Pleasesubmitafullbugreport,
withpreprocessedsourceifappropriate.
Pleaseincludethecompletebacktracewithanybugreport.
See <https://gcc.gnu.org/bugs/> for instructions. 
      cpp/src/arrow/compute/kernels/scalar_set_lookup.cc:70:50: internalcompilererror: inmaybe_undo_parenthesized_ref, atcp/semantics.c:1740autoon_found = [&](int32_tmemo_index) { DCHECK_LT(memo_index, memo_size); };
0x683399maybe_undo_parenthesized_ref(tree_node*)
../../gcc-7.5.0/gcc/cp/semantics.c:17390x6c8638cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21800x6c949ccp_fold_maybe_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20420x6c8346cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21490x66a037cp_convert_and_check(tree_node*, tree_node*, int)
../../gcc-7.5.0/gcc/cp/cvt.c:6400x65f5d4cp_build_binary_op(unsignedint, tree_code, tree_node*, tree_node*, int)
../../gcc-7.5.0/gcc/cp/typeck.c:52080x5a689cbuild_new_op_1
../../gcc-7.5.0/gcc/cp/call.c:59780x5a737ebuild_new_op(unsigned int, tree_code, int, tree_node*, tree_node*, tree_node*, tree_node**, int)
../../gcc-7.5.0/gcc/cp/call.c:60220x657a12build_x_binary_op(unsigned int, tree_code, tree_node*, tree_code, tree_node*, tree_code, tree_node**, int)
../../gcc-7.5.0/gcc/cp/typeck.c:39410x5e04fftsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:170010x5e1120tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:169400x5e1120tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:169400x5e1676tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:173120x5e121btsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:175440x5d6c47tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:167320x5d6c47tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:166130x5d6a85tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:158740x5d696btsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:160900x5d696btsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:160900x5d4aaetsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:15845Pleasesubmitafullbugreport,
withpreprocessedsourceifappropriate.
Pleaseincludethecompletebacktracewithanybugreport.
See <https://gcc.gnu.org/bugs/> for instructions. 
      This is a known bug of gcc6/7. It is triggered when a const integer is capture by reference in a lambda function, and is parenthesized in that lambda code. See also: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83204 and kokkos/kokkos-kernels#349
      An easy fix is to capture levels and memo_size by value. {}Since they are ints, capturing by value is also a performace improvement{}. If there is no objection, I will submit a PR to fix this.
      Environment: gcc6/7
      
c++14/17
      Reporter: Jin Shang / @js8544
      Assignee: Jin Shang / @js8544
      Related issues:
      PRs and other links:
      Note: This issue was originally created as ARROW-17567. Please see the migration documentation for further details.
      Activity
      Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
      Metadata
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        Labels
        Component: C++Type: bug
        Type
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

          Skip to content
          [C++][Compute]Compiler error with gcc7 and c++17 #32818
          Closed
          Closed
          [C++][Compute]Compiler error with gcc7 and c++17#32818
          Labels
          Component: C++Type: bug
          Milestone
          10.0.0
          Description
          @asfimport
          asfimport
          opened on Aug 30, 2022
          When compiling the c++ compute component with gcc6/7 with std=c++14/17, compiler internal errors are triggered at compute/kernels/aggregate_internal.h:176:24 and various places at compute/kernels/scalar_set_lookup.cc
          cpp/src/arrow/compute/kernels/aggregate_internal.h:176:24: internalcompilererror: inmaybe_undo_parenthesized_ref, atcp/semantics.c:1740DCHECK_LT(cur_level, levels);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
0x683399maybe_undo_parenthesized_ref(tree_node*)
../../gcc-7.5.0/gcc/cp/semantics.c:17390x6c8638cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21800x6c949ccp_fold_maybe_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20420x6c8346cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21490x6c949ccp_fold_maybe_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20420x6c8234cp_fold_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20630x6c8234cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:23040x66a037cp_convert_and_check(tree_node*, tree_node*, int)
../../gcc-7.5.0/gcc/cp/cvt.c:6400x59bb8aconvert_like_real
../../gcc-7.5.0/gcc/cp/call.c:70530x59de12build_over_call
../../gcc-7.5.0/gcc/cp/call.c:78690x5a3c2fbuild_new_function_call(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool, int)
../../gcc-7.5.0/gcc/cp/call.c:42720x685601finish_call_expr(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool, bool, int)
../../gcc-7.5.0/gcc/cp/semantics.c:25010x5e1b83tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:175080x5e121btsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:175440x5d6c47tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:167320x5d6c47tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:166130x5d6a85tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:158740x5d6ad5tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:158600x5d61detsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:160360x5d6ad5tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:15860Pleasesubmitafullbugreport,
withpreprocessedsourceifappropriate.
Pleaseincludethecompletebacktracewithanybugreport.
See <https://gcc.gnu.org/bugs/> for instructions. 
          cpp/src/arrow/compute/kernels/scalar_set_lookup.cc:70:50: internalcompilererror: inmaybe_undo_parenthesized_ref, atcp/semantics.c:1740autoon_found = [&](int32_tmemo_index) { DCHECK_LT(memo_index, memo_size); };
0x683399maybe_undo_parenthesized_ref(tree_node*)
../../gcc-7.5.0/gcc/cp/semantics.c:17390x6c8638cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21800x6c949ccp_fold_maybe_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20420x6c8346cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21490x66a037cp_convert_and_check(tree_node*, tree_node*, int)
../../gcc-7.5.0/gcc/cp/cvt.c:6400x65f5d4cp_build_binary_op(unsignedint, tree_code, tree_node*, tree_node*, int)
../../gcc-7.5.0/gcc/cp/typeck.c:52080x5a689cbuild_new_op_1
../../gcc-7.5.0/gcc/cp/call.c:59780x5a737ebuild_new_op(unsigned int, tree_code, int, tree_node*, tree_node*, tree_node*, tree_node**, int)
../../gcc-7.5.0/gcc/cp/call.c:60220x657a12build_x_binary_op(unsigned int, tree_code, tree_node*, tree_code, tree_node*, tree_code, tree_node**, int)
../../gcc-7.5.0/gcc/cp/typeck.c:39410x5e04fftsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:170010x5e1120tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:169400x5e1120tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:169400x5e1676tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:173120x5e121btsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:175440x5d6c47tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:167320x5d6c47tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:166130x5d6a85tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:158740x5d696btsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:160900x5d696btsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:160900x5d4aaetsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:15845Pleasesubmitafullbugreport,
withpreprocessedsourceifappropriate.
Pleaseincludethecompletebacktracewithanybugreport.
See <https://gcc.gnu.org/bugs/> for instructions. 
          This is a known bug of gcc6/7. It is triggered when a const integer is capture by reference in a lambda function, and is parenthesized in that lambda code. See also: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83204 and kokkos/kokkos-kernels#349
          An easy fix is to capture levels and memo_size by value. {}Since they are ints, capturing by value is also a performace improvement{}. If there is no objection, I will submit a PR to fix this.
          Environment: gcc6/7
          
c++14/17
          Reporter: Jin Shang / @js8544
          Assignee: Jin Shang / @js8544
          Related issues:
          PRs and other links:
          Note: This issue was originally created as ARROW-17567. Please see the migration documentation for further details.
          Activity
          Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
          Metadata
          Metadata
          Assignees
          No one assigned
            Labels
            Component: C++Type: bug
            Type
            No type
            Projects
            No projects
              Milestone
              Relationships
              None yet
              Development
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              Issue actions
              
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

              Skip to content
              [C++][Compute]Compiler error with gcc7 and c++17 #32818
              Closed
              Closed
              [C++][Compute]Compiler error with gcc7 and c++17#32818
              Labels
              Component: C++Type: bug
              Milestone
              10.0.0
              Description
              @asfimport
              asfimport
              opened on Aug 30, 2022
              When compiling the c++ compute component with gcc6/7 with std=c++14/17, compiler internal errors are triggered at compute/kernels/aggregate_internal.h:176:24 and various places at compute/kernels/scalar_set_lookup.cc
              cpp/src/arrow/compute/kernels/aggregate_internal.h:176:24: internalcompilererror: inmaybe_undo_parenthesized_ref, atcp/semantics.c:1740DCHECK_LT(cur_level, levels);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
0x683399maybe_undo_parenthesized_ref(tree_node*)
../../gcc-7.5.0/gcc/cp/semantics.c:17390x6c8638cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21800x6c949ccp_fold_maybe_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20420x6c8346cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21490x6c949ccp_fold_maybe_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20420x6c8234cp_fold_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20630x6c8234cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:23040x66a037cp_convert_and_check(tree_node*, tree_node*, int)
../../gcc-7.5.0/gcc/cp/cvt.c:6400x59bb8aconvert_like_real
../../gcc-7.5.0/gcc/cp/call.c:70530x59de12build_over_call
../../gcc-7.5.0/gcc/cp/call.c:78690x5a3c2fbuild_new_function_call(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool, int)
../../gcc-7.5.0/gcc/cp/call.c:42720x685601finish_call_expr(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool, bool, int)
../../gcc-7.5.0/gcc/cp/semantics.c:25010x5e1b83tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:175080x5e121btsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:175440x5d6c47tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:167320x5d6c47tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:166130x5d6a85tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:158740x5d6ad5tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:158600x5d61detsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:160360x5d6ad5tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:15860Pleasesubmitafullbugreport,
withpreprocessedsourceifappropriate.
Pleaseincludethecompletebacktracewithanybugreport.
See <https://gcc.gnu.org/bugs/> for instructions. 
              cpp/src/arrow/compute/kernels/scalar_set_lookup.cc:70:50: internalcompilererror: inmaybe_undo_parenthesized_ref, atcp/semantics.c:1740autoon_found = [&](int32_tmemo_index) { DCHECK_LT(memo_index, memo_size); };
0x683399maybe_undo_parenthesized_ref(tree_node*)
../../gcc-7.5.0/gcc/cp/semantics.c:17390x6c8638cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21800x6c949ccp_fold_maybe_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20420x6c8346cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21490x66a037cp_convert_and_check(tree_node*, tree_node*, int)
../../gcc-7.5.0/gcc/cp/cvt.c:6400x65f5d4cp_build_binary_op(unsignedint, tree_code, tree_node*, tree_node*, int)
../../gcc-7.5.0/gcc/cp/typeck.c:52080x5a689cbuild_new_op_1
../../gcc-7.5.0/gcc/cp/call.c:59780x5a737ebuild_new_op(unsigned int, tree_code, int, tree_node*, tree_node*, tree_node*, tree_node**, int)
../../gcc-7.5.0/gcc/cp/call.c:60220x657a12build_x_binary_op(unsigned int, tree_code, tree_node*, tree_code, tree_node*, tree_code, tree_node**, int)
../../gcc-7.5.0/gcc/cp/typeck.c:39410x5e04fftsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:170010x5e1120tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:169400x5e1120tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:169400x5e1676tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:173120x5e121btsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:175440x5d6c47tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:167320x5d6c47tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:166130x5d6a85tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:158740x5d696btsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:160900x5d696btsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:160900x5d4aaetsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:15845Pleasesubmitafullbugreport,
withpreprocessedsourceifappropriate.
Pleaseincludethecompletebacktracewithanybugreport.
See <https://gcc.gnu.org/bugs/> for instructions. 
              This is a known bug of gcc6/7. It is triggered when a const integer is capture by reference in a lambda function, and is parenthesized in that lambda code. See also: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83204 and kokkos/kokkos-kernels#349
              An easy fix is to capture levels and memo_size by value. {}Since they are ints, capturing by value is also a performace improvement{}. If there is no objection, I will submit a PR to fix this.
              Environment: gcc6/7
              
c++14/17
              Reporter: Jin Shang / @js8544
              Assignee: Jin Shang / @js8544
              Related issues:
              PRs and other links:
              Note: This issue was originally created as ARROW-17567. Please see the migration documentation for further details.
              Activity
              Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
              Metadata
              Metadata
              Assignees
              No one assigned
                Labels
                Component: C++Type: bug
                Type
                No type
                Projects
                No projects
                  Milestone
                  Relationships
                  None yet
                  Development
                  No branches or pull requests
                  Issue actions
                  
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

                  Skip to content
                  [C++][Compute]Compiler error with gcc7 and c++17 #32818
                  Closed
                  Closed
                  [C++][Compute]Compiler error with gcc7 and c++17#32818
                  Labels
                  Component: C++Type: bug
                  Milestone
                  10.0.0
                  Description
                  @asfimport
                  asfimport
                  opened on Aug 30, 2022
                  When compiling the c++ compute component with gcc6/7 with std=c++14/17, compiler internal errors are triggered at compute/kernels/aggregate_internal.h:176:24 and various places at compute/kernels/scalar_set_lookup.cc
                  cpp/src/arrow/compute/kernels/aggregate_internal.h:176:24: internalcompilererror: inmaybe_undo_parenthesized_ref, atcp/semantics.c:1740DCHECK_LT(cur_level, levels);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
0x683399maybe_undo_parenthesized_ref(tree_node*)
../../gcc-7.5.0/gcc/cp/semantics.c:17390x6c8638cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21800x6c949ccp_fold_maybe_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20420x6c8346cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21490x6c949ccp_fold_maybe_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20420x6c8234cp_fold_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20630x6c8234cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:23040x66a037cp_convert_and_check(tree_node*, tree_node*, int)
../../gcc-7.5.0/gcc/cp/cvt.c:6400x59bb8aconvert_like_real
../../gcc-7.5.0/gcc/cp/call.c:70530x59de12build_over_call
../../gcc-7.5.0/gcc/cp/call.c:78690x5a3c2fbuild_new_function_call(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool, int)
../../gcc-7.5.0/gcc/cp/call.c:42720x685601finish_call_expr(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool, bool, int)
../../gcc-7.5.0/gcc/cp/semantics.c:25010x5e1b83tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:175080x5e121btsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:175440x5d6c47tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:167320x5d6c47tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:166130x5d6a85tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:158740x5d6ad5tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:158600x5d61detsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:160360x5d6ad5tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:15860Pleasesubmitafullbugreport,
withpreprocessedsourceifappropriate.
Pleaseincludethecompletebacktracewithanybugreport.
See <https://gcc.gnu.org/bugs/> for instructions. 
                  cpp/src/arrow/compute/kernels/scalar_set_lookup.cc:70:50: internalcompilererror: inmaybe_undo_parenthesized_ref, atcp/semantics.c:1740autoon_found = [&](int32_tmemo_index) { DCHECK_LT(memo_index, memo_size); };
0x683399maybe_undo_parenthesized_ref(tree_node*)
../../gcc-7.5.0/gcc/cp/semantics.c:17390x6c8638cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21800x6c949ccp_fold_maybe_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20420x6c8346cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21490x66a037cp_convert_and_check(tree_node*, tree_node*, int)
../../gcc-7.5.0/gcc/cp/cvt.c:6400x65f5d4cp_build_binary_op(unsignedint, tree_code, tree_node*, tree_node*, int)
../../gcc-7.5.0/gcc/cp/typeck.c:52080x5a689cbuild_new_op_1
../../gcc-7.5.0/gcc/cp/call.c:59780x5a737ebuild_new_op(unsigned int, tree_code, int, tree_node*, tree_node*, tree_node*, tree_node**, int)
../../gcc-7.5.0/gcc/cp/call.c:60220x657a12build_x_binary_op(unsigned int, tree_code, tree_node*, tree_code, tree_node*, tree_code, tree_node**, int)
../../gcc-7.5.0/gcc/cp/typeck.c:39410x5e04fftsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:170010x5e1120tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:169400x5e1120tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:169400x5e1676tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:173120x5e121btsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:175440x5d6c47tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:167320x5d6c47tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:166130x5d6a85tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:158740x5d696btsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:160900x5d696btsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:160900x5d4aaetsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:15845Pleasesubmitafullbugreport,
withpreprocessedsourceifappropriate.
Pleaseincludethecompletebacktracewithanybugreport.
See <https://gcc.gnu.org/bugs/> for instructions. 
                  This is a known bug of gcc6/7. It is triggered when a const integer is capture by reference in a lambda function, and is parenthesized in that lambda code. See also: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83204 and kokkos/kokkos-kernels#349
                  An easy fix is to capture levels and memo_size by value. {}Since they are ints, capturing by value is also a performace improvement{}. If there is no objection, I will submit a PR to fix this.
                  Environment: gcc6/7
                  
c++14/17
                  Reporter: Jin Shang / @js8544
                  Assignee: Jin Shang / @js8544
                  Related issues:
                  PRs and other links:
                  Note: This issue was originally created as ARROW-17567. Please see the migration documentation for further details.
                  Activity
                  Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
                  Metadata
                  Metadata
                  Assignees
                  No one assigned
                    Labels
                    Component: C++Type: bug
                    Type
                    No type
                    Projects
                    No projects
                      Milestone
                      Relationships
                      None yet
                      Development
                      No branches or pull requests
                      Issue actions
                      
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

                      Skip to content
                      [C++][Compute]Compiler error with gcc7 and c++17 #32818
                      Closed
                      Closed
                      [C++][Compute]Compiler error with gcc7 and c++17#32818
                      Labels
                      Component: C++Type: bug
                      Milestone
                      10.0.0
                      Description
                      @asfimport
                      asfimport
                      opened on Aug 30, 2022
                      When compiling the c++ compute component with gcc6/7 with std=c++14/17, compiler internal errors are triggered at compute/kernels/aggregate_internal.h:176:24 and various places at compute/kernels/scalar_set_lookup.cc
                      cpp/src/arrow/compute/kernels/aggregate_internal.h:176:24: internalcompilererror: inmaybe_undo_parenthesized_ref, atcp/semantics.c:1740DCHECK_LT(cur_level, levels);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
0x683399maybe_undo_parenthesized_ref(tree_node*)
../../gcc-7.5.0/gcc/cp/semantics.c:17390x6c8638cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21800x6c949ccp_fold_maybe_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20420x6c8346cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21490x6c949ccp_fold_maybe_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20420x6c8234cp_fold_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20630x6c8234cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:23040x66a037cp_convert_and_check(tree_node*, tree_node*, int)
../../gcc-7.5.0/gcc/cp/cvt.c:6400x59bb8aconvert_like_real
../../gcc-7.5.0/gcc/cp/call.c:70530x59de12build_over_call
../../gcc-7.5.0/gcc/cp/call.c:78690x5a3c2fbuild_new_function_call(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool, int)
../../gcc-7.5.0/gcc/cp/call.c:42720x685601finish_call_expr(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool, bool, int)
../../gcc-7.5.0/gcc/cp/semantics.c:25010x5e1b83tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:175080x5e121btsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:175440x5d6c47tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:167320x5d6c47tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:166130x5d6a85tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:158740x5d6ad5tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:158600x5d61detsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:160360x5d6ad5tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:15860Pleasesubmitafullbugreport,
withpreprocessedsourceifappropriate.
Pleaseincludethecompletebacktracewithanybugreport.
See <https://gcc.gnu.org/bugs/> for instructions. 
                      cpp/src/arrow/compute/kernels/scalar_set_lookup.cc:70:50: internalcompilererror: inmaybe_undo_parenthesized_ref, atcp/semantics.c:1740autoon_found = [&](int32_tmemo_index) { DCHECK_LT(memo_index, memo_size); };
0x683399maybe_undo_parenthesized_ref(tree_node*)
../../gcc-7.5.0/gcc/cp/semantics.c:17390x6c8638cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21800x6c949ccp_fold_maybe_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20420x6c8346cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21490x66a037cp_convert_and_check(tree_node*, tree_node*, int)
../../gcc-7.5.0/gcc/cp/cvt.c:6400x65f5d4cp_build_binary_op(unsignedint, tree_code, tree_node*, tree_node*, int)
../../gcc-7.5.0/gcc/cp/typeck.c:52080x5a689cbuild_new_op_1
../../gcc-7.5.0/gcc/cp/call.c:59780x5a737ebuild_new_op(unsigned int, tree_code, int, tree_node*, tree_node*, tree_node*, tree_node**, int)
../../gcc-7.5.0/gcc/cp/call.c:60220x657a12build_x_binary_op(unsigned int, tree_code, tree_node*, tree_code, tree_node*, tree_code, tree_node**, int)
../../gcc-7.5.0/gcc/cp/typeck.c:39410x5e04fftsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:170010x5e1120tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:169400x5e1120tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:169400x5e1676tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:173120x5e121btsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:175440x5d6c47tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:167320x5d6c47tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:166130x5d6a85tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:158740x5d696btsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:160900x5d696btsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:160900x5d4aaetsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:15845Pleasesubmitafullbugreport,
withpreprocessedsourceifappropriate.
Pleaseincludethecompletebacktracewithanybugreport.
See <https://gcc.gnu.org/bugs/> for instructions. 
                      This is a known bug of gcc6/7. It is triggered when a const integer is capture by reference in a lambda function, and is parenthesized in that lambda code. See also: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83204 and kokkos/kokkos-kernels#349
                      An easy fix is to capture levels and memo_size by value. {}Since they are ints, capturing by value is also a performace improvement{}. If there is no objection, I will submit a PR to fix this.
                      Environment: gcc6/7
                      
c++14/17
                      Reporter: Jin Shang / @js8544
                      Assignee: Jin Shang / @js8544
                      Related issues:
                      PRs and other links:
                      Note: This issue was originally created as ARROW-17567. Please see the migration documentation for further details.
                      Activity
                      Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
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                        Component: C++Type: bug
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

                          Skip to content
                          [C++][Compute]Compiler error with gcc7 and c++17 #32818
                          Closed
                          Closed
                          [C++][Compute]Compiler error with gcc7 and c++17#32818
                          Labels
                          Component: C++Type: bug
                          Milestone
                          10.0.0
                          Description
                          @asfimport
                          asfimport
                          opened on Aug 30, 2022
                          When compiling the c++ compute component with gcc6/7 with std=c++14/17, compiler internal errors are triggered at compute/kernels/aggregate_internal.h:176:24 and various places at compute/kernels/scalar_set_lookup.cc
                          cpp/src/arrow/compute/kernels/aggregate_internal.h:176:24: internalcompilererror: inmaybe_undo_parenthesized_ref, atcp/semantics.c:1740DCHECK_LT(cur_level, levels);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
0x683399maybe_undo_parenthesized_ref(tree_node*)
../../gcc-7.5.0/gcc/cp/semantics.c:17390x6c8638cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21800x6c949ccp_fold_maybe_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20420x6c8346cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21490x6c949ccp_fold_maybe_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20420x6c8234cp_fold_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20630x6c8234cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:23040x66a037cp_convert_and_check(tree_node*, tree_node*, int)
../../gcc-7.5.0/gcc/cp/cvt.c:6400x59bb8aconvert_like_real
../../gcc-7.5.0/gcc/cp/call.c:70530x59de12build_over_call
../../gcc-7.5.0/gcc/cp/call.c:78690x5a3c2fbuild_new_function_call(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool, int)
../../gcc-7.5.0/gcc/cp/call.c:42720x685601finish_call_expr(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool, bool, int)
../../gcc-7.5.0/gcc/cp/semantics.c:25010x5e1b83tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:175080x5e121btsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:175440x5d6c47tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:167320x5d6c47tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:166130x5d6a85tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:158740x5d6ad5tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:158600x5d61detsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:160360x5d6ad5tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:15860Pleasesubmitafullbugreport,
withpreprocessedsourceifappropriate.
Pleaseincludethecompletebacktracewithanybugreport.
See <https://gcc.gnu.org/bugs/> for instructions. 
                          cpp/src/arrow/compute/kernels/scalar_set_lookup.cc:70:50: internalcompilererror: inmaybe_undo_parenthesized_ref, atcp/semantics.c:1740autoon_found = [&](int32_tmemo_index) { DCHECK_LT(memo_index, memo_size); };
0x683399maybe_undo_parenthesized_ref(tree_node*)
../../gcc-7.5.0/gcc/cp/semantics.c:17390x6c8638cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21800x6c949ccp_fold_maybe_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20420x6c8346cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21490x66a037cp_convert_and_check(tree_node*, tree_node*, int)
../../gcc-7.5.0/gcc/cp/cvt.c:6400x65f5d4cp_build_binary_op(unsignedint, tree_code, tree_node*, tree_node*, int)
../../gcc-7.5.0/gcc/cp/typeck.c:52080x5a689cbuild_new_op_1
../../gcc-7.5.0/gcc/cp/call.c:59780x5a737ebuild_new_op(unsigned int, tree_code, int, tree_node*, tree_node*, tree_node*, tree_node**, int)
../../gcc-7.5.0/gcc/cp/call.c:60220x657a12build_x_binary_op(unsigned int, tree_code, tree_node*, tree_code, tree_node*, tree_code, tree_node**, int)
../../gcc-7.5.0/gcc/cp/typeck.c:39410x5e04fftsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:170010x5e1120tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:169400x5e1120tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:169400x5e1676tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:173120x5e121btsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:175440x5d6c47tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:167320x5d6c47tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:166130x5d6a85tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:158740x5d696btsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:160900x5d696btsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:160900x5d4aaetsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:15845Pleasesubmitafullbugreport,
withpreprocessedsourceifappropriate.
Pleaseincludethecompletebacktracewithanybugreport.
See <https://gcc.gnu.org/bugs/> for instructions. 
                          This is a known bug of gcc6/7. It is triggered when a const integer is capture by reference in a lambda function, and is parenthesized in that lambda code. See also: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83204 and kokkos/kokkos-kernels#349
                          An easy fix is to capture levels and memo_size by value. {}Since they are ints, capturing by value is also a performace improvement{}. If there is no objection, I will submit a PR to fix this.
                          Environment: gcc6/7
                          
c++14/17
                          Reporter: Jin Shang / @js8544
                          Assignee: Jin Shang / @js8544
                          Related issues:
                          PRs and other links:
                          Note: This issue was originally created as ARROW-17567. Please see the migration documentation for further details.
                          Activity
                          Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
                          Metadata
                          Metadata
                          Assignees
                          No one assigned
                            Labels
                            Component: C++Type: bug
                            Type
                            No type
                            Projects
                            No projects
                              Milestone
                              Relationships
                              None yet
                              Development
                              No branches or pull requests
                              Issue actions
                              
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

                              Skip to content
                              [C++][Compute]Compiler error with gcc7 and c++17 #32818
                              Closed
                              Closed
                              [C++][Compute]Compiler error with gcc7 and c++17#32818
                              Labels
                              Component: C++Type: bug
                              Milestone
                              10.0.0
                              Description
                              @asfimport
                              asfimport
                              opened on Aug 30, 2022
                              When compiling the c++ compute component with gcc6/7 with std=c++14/17, compiler internal errors are triggered at compute/kernels/aggregate_internal.h:176:24 and various places at compute/kernels/scalar_set_lookup.cc
                              cpp/src/arrow/compute/kernels/aggregate_internal.h:176:24: internalcompilererror: inmaybe_undo_parenthesized_ref, atcp/semantics.c:1740DCHECK_LT(cur_level, levels);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
0x683399maybe_undo_parenthesized_ref(tree_node*)
../../gcc-7.5.0/gcc/cp/semantics.c:17390x6c8638cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21800x6c949ccp_fold_maybe_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20420x6c8346cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21490x6c949ccp_fold_maybe_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20420x6c8234cp_fold_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20630x6c8234cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:23040x66a037cp_convert_and_check(tree_node*, tree_node*, int)
../../gcc-7.5.0/gcc/cp/cvt.c:6400x59bb8aconvert_like_real
../../gcc-7.5.0/gcc/cp/call.c:70530x59de12build_over_call
../../gcc-7.5.0/gcc/cp/call.c:78690x5a3c2fbuild_new_function_call(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool, int)
../../gcc-7.5.0/gcc/cp/call.c:42720x685601finish_call_expr(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool, bool, int)
../../gcc-7.5.0/gcc/cp/semantics.c:25010x5e1b83tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:175080x5e121btsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:175440x5d6c47tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:167320x5d6c47tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:166130x5d6a85tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:158740x5d6ad5tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:158600x5d61detsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:160360x5d6ad5tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:15860Pleasesubmitafullbugreport,
withpreprocessedsourceifappropriate.
Pleaseincludethecompletebacktracewithanybugreport.
See <https://gcc.gnu.org/bugs/> for instructions. 
                              cpp/src/arrow/compute/kernels/scalar_set_lookup.cc:70:50: internalcompilererror: inmaybe_undo_parenthesized_ref, atcp/semantics.c:1740autoon_found = [&](int32_tmemo_index) { DCHECK_LT(memo_index, memo_size); };
0x683399maybe_undo_parenthesized_ref(tree_node*)
../../gcc-7.5.0/gcc/cp/semantics.c:17390x6c8638cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21800x6c949ccp_fold_maybe_rvalue
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:20420x6c8346cp_fold
../../gcc-7.5.0/gcc/cp/cp-gimplify.c:21490x66a037cp_convert_and_check(tree_node*, tree_node*, int)
../../gcc-7.5.0/gcc/cp/cvt.c:6400x65f5d4cp_build_binary_op(unsignedint, tree_code, tree_node*, tree_node*, int)
../../gcc-7.5.0/gcc/cp/typeck.c:52080x5a689cbuild_new_op_1
../../gcc-7.5.0/gcc/cp/call.c:59780x5a737ebuild_new_op(unsigned int, tree_code, int, tree_node*, tree_node*, tree_node*, tree_node**, int)
../../gcc-7.5.0/gcc/cp/call.c:60220x657a12build_x_binary_op(unsigned int, tree_code, tree_node*, tree_code, tree_node*, tree_code, tree_node**, int)
../../gcc-7.5.0/gcc/cp/typeck.c:39410x5e04fftsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:170010x5e1120tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:169400x5e1120tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:169400x5e1676tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:173120x5e121btsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:175440x5d6c47tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool)
../../gcc-7.5.0/gcc/cp/pt.c:167320x5d6c47tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:166130x5d6a85tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:158740x5d696btsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:160900x5d696btsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:160900x5d4aaetsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc-7.5.0/gcc/cp/pt.c:15845Pleasesubmitafullbugreport,
withpreprocessedsourceifappropriate.
Pleaseincludethecompletebacktracewithanybugreport.
See <https://gcc.gnu.org/bugs/> for instructions. 
                              This is a known bug of gcc6/7. It is triggered when a const integer is capture by reference in a lambda function, and is parenthesized in that lambda code. See also: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83204 and kokkos/kokkos-kernels#349
                              An easy fix is to capture levels and memo_size by value. {}Since they are ints, capturing by value is also a performace improvement{}. If there is no objection, I will submit a PR to fix this.
                              Environment: gcc6/7
                              
c++14/17
                              Reporter: Jin Shang / @js8544
                              Assignee: Jin Shang / @js8544
                              Related issues:
                              PRs and other links:
                              Note: This issue was originally created as ARROW-17567. Please see the migration documentation for further details.
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