segfault using non empty init for tuple with comptime fields #18400

Closed
#18436
Closed
segfault using non empty init for tuple with comptime fields#18400
#18436
Labels
bugObserved behavior contradicts documented or intended behaviorcontributor friendlyThis issue is limited in scope and/or knowledge of Zig internals.frontendTokenization, parsing, AstGen, Sema, and Liveness.
Milestone
0.12.0

Description

@xdBronch
xdBronch
opened on Dec 29, 2023

Zig Version

0.12.0-dev.1856+94c63f31f

Steps to Reproduce and Observed Behavior

test {
consta: struct { comptimecomptime_int=0 } = .{0};
_=a;
}

https://gist.github.com/xdBronch/95e58100607a391599c2386efcd7d93c

Expected Behavior

probably test pass since the init has the same value as the default value, error otherwise

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No one assigned

    Labels

    bugObserved behavior contradicts documented or intended behaviorcontributor friendlyThis issue is limited in scope and/or knowledge of Zig internals.frontendTokenization, parsing, AstGen, Sema, and Liveness.

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    No type

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    No projects

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      None yet

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      No branches or pull requests

      Issue actions

      , 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
       blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} 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
      segfault using non empty init for tuple with comptime fields #18400
      Closed
      #18436
      Closed
      segfault using non empty init for tuple with comptime fields#18400
      #18436
      Labels
      bugObserved behavior contradicts documented or intended behaviorcontributor friendlyThis issue is limited in scope and/or knowledge of Zig internals.frontendTokenization, parsing, AstGen, Sema, and Liveness.
      Milestone
      0.12.0
      Description
      @xdBronch
      xdBronch
      opened on Dec 29, 2023
      Zig Version
      0.12.0-dev.1856+94c63f31f
      Steps to Reproduce and Observed Behavior
      test {
consta: struct { comptimecomptime_int=0 } = .{0};
_=a;
}
      https://gist.github.com/xdBronch/95e58100607a391599c2386efcd7d93c
      Expected Behavior
      probably test pass since the init has the same value as the default value, error otherwise
      Metadata
      Metadata
      Assignees
      No one assigned
        Labels
        bugObserved behavior contradicts documented or intended behaviorcontributor friendlyThis issue is limited in scope and/or knowledge of Zig internals.frontendTokenization, parsing, AstGen, Sema, and Liveness.
        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("// 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
          segfault using non empty init for tuple with comptime fields #18400
          Closed
          #18436
          Closed
          segfault using non empty init for tuple with comptime fields#18400
          #18436
          Labels
          bugObserved behavior contradicts documented or intended behaviorcontributor friendlyThis issue is limited in scope and/or knowledge of Zig internals.frontendTokenization, parsing, AstGen, Sema, and Liveness.
          Milestone
          0.12.0
          Description
          @xdBronch
          xdBronch
          opened on Dec 29, 2023
          Zig Version
          0.12.0-dev.1856+94c63f31f
          Steps to Reproduce and Observed Behavior
          test {
consta: struct { comptimecomptime_int=0 } = .{0};
_=a;
}
          https://gist.github.com/xdBronch/95e58100607a391599c2386efcd7d93c
          Expected Behavior
          probably test pass since the init has the same value as the default value, error otherwise
          Metadata
          Metadata
          Assignees
          No one assigned
            Labels
            bugObserved behavior contradicts documented or intended behaviorcontributor friendlyThis issue is limited in scope and/or knowledge of Zig internals.frontendTokenization, parsing, AstGen, Sema, and Liveness.
            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("// 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
              segfault using non empty init for tuple with comptime fields #18400
              Closed
              #18436
              Closed
              segfault using non empty init for tuple with comptime fields#18400
              #18436
              Labels
              bugObserved behavior contradicts documented or intended behaviorcontributor friendlyThis issue is limited in scope and/or knowledge of Zig internals.frontendTokenization, parsing, AstGen, Sema, and Liveness.
              Milestone
              0.12.0
              Description
              @xdBronch
              xdBronch
              opened on Dec 29, 2023
              Zig Version
              0.12.0-dev.1856+94c63f31f
              Steps to Reproduce and Observed Behavior
              test {
consta: struct { comptimecomptime_int=0 } = .{0};
_=a;
}
              https://gist.github.com/xdBronch/95e58100607a391599c2386efcd7d93c
              Expected Behavior
              probably test pass since the init has the same value as the default value, error otherwise
              Metadata
              Metadata
              Assignees
              No one assigned
                Labels
                bugObserved behavior contradicts documented or intended behaviorcontributor friendlyThis issue is limited in scope and/or knowledge of Zig internals.frontendTokenization, parsing, AstGen, Sema, and Liveness.
                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
                  segfault using non empty init for tuple with comptime fields #18400
                  Closed
                  #18436
                  Closed
                  segfault using non empty init for tuple with comptime fields#18400
                  #18436
                  Labels
                  bugObserved behavior contradicts documented or intended behaviorcontributor friendlyThis issue is limited in scope and/or knowledge of Zig internals.frontendTokenization, parsing, AstGen, Sema, and Liveness.
                  Milestone
                  0.12.0
                  Description
                  @xdBronch
                  xdBronch
                  opened on Dec 29, 2023
                  Zig Version
                  0.12.0-dev.1856+94c63f31f
                  Steps to Reproduce and Observed Behavior
                  test {
consta: struct { comptimecomptime_int=0 } = .{0};
_=a;
}
                  https://gist.github.com/xdBronch/95e58100607a391599c2386efcd7d93c
                  Expected Behavior
                  probably test pass since the init has the same value as the default value, error otherwise
                  Metadata
                  Metadata
                  Assignees
                  No one assigned
                    Labels
                    bugObserved behavior contradicts documented or intended behaviorcontributor friendlyThis issue is limited in scope and/or knowledge of Zig internals.frontendTokenization, parsing, AstGen, Sema, and Liveness.
                    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
                      segfault using non empty init for tuple with comptime fields #18400
                      Closed
                      #18436
                      Closed
                      segfault using non empty init for tuple with comptime fields#18400
                      #18436
                      Labels
                      bugObserved behavior contradicts documented or intended behaviorcontributor friendlyThis issue is limited in scope and/or knowledge of Zig internals.frontendTokenization, parsing, AstGen, Sema, and Liveness.
                      Milestone
                      0.12.0
                      Description
                      @xdBronch
                      xdBronch
                      opened on Dec 29, 2023
                      Zig Version
                      0.12.0-dev.1856+94c63f31f
                      Steps to Reproduce and Observed Behavior
                      test {
consta: struct { comptimecomptime_int=0 } = .{0};
_=a;
}
                      https://gist.github.com/xdBronch/95e58100607a391599c2386efcd7d93c
                      Expected Behavior
                      probably test pass since the init has the same value as the default value, error otherwise
                      Metadata
                      Metadata
                      Assignees
                      No one assigned
                        Labels
                        bugObserved behavior contradicts documented or intended behaviorcontributor friendlyThis issue is limited in scope and/or knowledge of Zig internals.frontendTokenization, parsing, AstGen, Sema, and Liveness.
                        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("// 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
                          segfault using non empty init for tuple with comptime fields #18400
                          Closed
                          #18436
                          Closed
                          segfault using non empty init for tuple with comptime fields#18400
                          #18436
                          Labels
                          bugObserved behavior contradicts documented or intended behaviorcontributor friendlyThis issue is limited in scope and/or knowledge of Zig internals.frontendTokenization, parsing, AstGen, Sema, and Liveness.
                          Milestone
                          0.12.0
                          Description
                          @xdBronch
                          xdBronch
                          opened on Dec 29, 2023
                          Zig Version
                          0.12.0-dev.1856+94c63f31f
                          Steps to Reproduce and Observed Behavior
                          test {
consta: struct { comptimecomptime_int=0 } = .{0};
_=a;
}
                          https://gist.github.com/xdBronch/95e58100607a391599c2386efcd7d93c
                          Expected Behavior
                          probably test pass since the init has the same value as the default value, error otherwise
                          Metadata
                          Metadata
                          Assignees
                          No one assigned
                            Labels
                            bugObserved behavior contradicts documented or intended behaviorcontributor friendlyThis issue is limited in scope and/or knowledge of Zig internals.frontendTokenization, parsing, AstGen, Sema, and Liveness.
                            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
                              segfault using non empty init for tuple with comptime fields #18400
                              Closed
                              #18436
                              Closed
                              segfault using non empty init for tuple with comptime fields#18400
                              #18436
                              Labels
                              bugObserved behavior contradicts documented or intended behaviorcontributor friendlyThis issue is limited in scope and/or knowledge of Zig internals.frontendTokenization, parsing, AstGen, Sema, and Liveness.
                              Milestone
                              0.12.0
                              Description
                              @xdBronch
                              xdBronch
                              opened on Dec 29, 2023
                              Zig Version
                              0.12.0-dev.1856+94c63f31f
                              Steps to Reproduce and Observed Behavior
                              test {
consta: struct { comptimecomptime_int=0 } = .{0};
_=a;
}
                              https://gist.github.com/xdBronch/95e58100607a391599c2386efcd7d93c
                              Expected Behavior
                              probably test pass since the init has the same value as the default value, error otherwise
                              Metadata
                              Metadata
                              Assignees
                              No one assigned
                                Labels
                                bugObserved behavior contradicts documented or intended behaviorcontributor friendlyThis issue is limited in scope and/or knowledge of Zig internals.frontendTokenization, parsing, AstGen, Sema, and Liveness.
                                Type
                                No type
                                Projects
                                No projects
                                  Milestone
                                  Relationships
                                  None yet
                                  Development
                                  No branches or pull requests
                                  Issue actions