Stack trace not printed when panicking in imported function #16975

Closed
#16977
Closed
Stack trace not printed when panicking in imported function#16975
#16977
Labels
bugObserved behavior contradicts documented or intended behavior

Description

@ghost
ghost
opened on Aug 26, 2023

Zig Version

0.12.0-dev.168+a31748b29

Steps to Reproduce and Observed Behavior

exe.zig

externfnpanic() void;
pubfnmain() void {
panic();
}

lib.zig

exportfnpanic() void {
@panic("panic");
}

build.zig

conststd=@import("std");
pubfnbuild(b: *std.Build) !void {
consttarget=b.standardTargetOptions(.{});
constoptimize=b.standardOptimizeOption(.{});
constlib=b.addStaticLibrary(.{
.name="lib",
.root_source_file= .{ .path="lib.zig" },
.target=target,
.optimize=optimize,
});
constexe=b.addExecutable(.{
.name="exe",
.root_source_file= .{ .path="exe.zig" },
.target=target,
.optimize=optimize,
});
exe.linkLibrary(lib);
b.installArtifact(exe);
construn_cmd=b.addRunArtifact(exe);
run_cmd.step.dependOn(b.getInstallStep());
construn_step=b.step("run", "Run");
run_step.dependOn(&run_cmd.step);
}
$ zig build run
steps [2/6] zig build-exe exe Debug native... LLVM Emit Object... thread 143239 panic: panic
Panicked during a panic. Aborting.

Expected Behavior

$ zig build run
steps [2/6] zig build-exe exe Debug native... LLVM Emit Object... thread 142400 panic: panic
lib.zig:2:5: 0x21ea65 in main (exe)
@panic("panic");
^

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      , '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
      Stack trace not printed when panicking in imported function #16975
      Closed
      #16977
      Closed
      Stack trace not printed when panicking in imported function#16975
      #16977
      Labels
      bugObserved behavior contradicts documented or intended behavior
      Description
      @ghost
      ghost
      opened on Aug 26, 2023
      Zig Version
      0.12.0-dev.168+a31748b29
      Steps to Reproduce and Observed Behavior
      exe.zig
      externfnpanic() void;
pubfnmain() void {
panic();
}
      lib.zig
      exportfnpanic() void {
@panic("panic");
}
      build.zig
      conststd=@import("std");
pubfnbuild(b: *std.Build) !void {
consttarget=b.standardTargetOptions(.{});
constoptimize=b.standardOptimizeOption(.{});
constlib=b.addStaticLibrary(.{
.name="lib",
.root_source_file= .{ .path="lib.zig" },
.target=target,
.optimize=optimize,
});
constexe=b.addExecutable(.{
.name="exe",
.root_source_file= .{ .path="exe.zig" },
.target=target,
.optimize=optimize,
});
exe.linkLibrary(lib);
b.installArtifact(exe);
construn_cmd=b.addRunArtifact(exe);
run_cmd.step.dependOn(b.getInstallStep());
construn_step=b.step("run", "Run");
run_step.dependOn(&run_cmd.step);
}
      $ zig build run
steps [2/6] zig build-exe exe Debug native... LLVM Emit Object... thread 143239 panic: panic
Panicked during a panic. Aborting.

      Expected Behavior
      $ zig build run
steps [2/6] zig build-exe exe Debug native... LLVM Emit Object... thread 142400 panic: panic
lib.zig:2:5: 0x21ea65 in main (exe)
@panic("panic");
^

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          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
          Stack trace not printed when panicking in imported function #16975
          Closed
          #16977
          Closed
          Stack trace not printed when panicking in imported function#16975
          #16977
          Labels
          bugObserved behavior contradicts documented or intended behavior
          Description
          @ghost
          ghost
          opened on Aug 26, 2023
          Zig Version
          0.12.0-dev.168+a31748b29
          Steps to Reproduce and Observed Behavior
          exe.zig
          externfnpanic() void;
pubfnmain() void {
panic();
}
          lib.zig
          exportfnpanic() void {
@panic("panic");
}
          build.zig
          conststd=@import("std");
pubfnbuild(b: *std.Build) !void {
consttarget=b.standardTargetOptions(.{});
constoptimize=b.standardOptimizeOption(.{});
constlib=b.addStaticLibrary(.{
.name="lib",
.root_source_file= .{ .path="lib.zig" },
.target=target,
.optimize=optimize,
});
constexe=b.addExecutable(.{
.name="exe",
.root_source_file= .{ .path="exe.zig" },
.target=target,
.optimize=optimize,
});
exe.linkLibrary(lib);
b.installArtifact(exe);
construn_cmd=b.addRunArtifact(exe);
run_cmd.step.dependOn(b.getInstallStep());
construn_step=b.step("run", "Run");
run_step.dependOn(&run_cmd.step);
}
          $ zig build run
steps [2/6] zig build-exe exe Debug native... LLVM Emit Object... thread 143239 panic: panic
Panicked during a panic. Aborting.

          Expected Behavior
          $ zig build run
steps [2/6] zig build-exe exe Debug native... LLVM Emit Object... thread 142400 panic: panic
lib.zig:2:5: 0x21ea65 in main (exe)
@panic("panic");
^

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          No one assigned
            Labels
            bugObserved behavior contradicts documented or intended behavior
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            No projects
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              No milestone
              Relationships
              None yet
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              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
              Stack trace not printed when panicking in imported function #16975
              Closed
              #16977
              Closed
              Stack trace not printed when panicking in imported function#16975
              #16977
              Labels
              bugObserved behavior contradicts documented or intended behavior
              Description
              @ghost
              ghost
              opened on Aug 26, 2023
              Zig Version
              0.12.0-dev.168+a31748b29
              Steps to Reproduce and Observed Behavior
              exe.zig
              externfnpanic() void;
pubfnmain() void {
panic();
}
              lib.zig
              exportfnpanic() void {
@panic("panic");
}
              build.zig
              conststd=@import("std");
pubfnbuild(b: *std.Build) !void {
consttarget=b.standardTargetOptions(.{});
constoptimize=b.standardOptimizeOption(.{});
constlib=b.addStaticLibrary(.{
.name="lib",
.root_source_file= .{ .path="lib.zig" },
.target=target,
.optimize=optimize,
});
constexe=b.addExecutable(.{
.name="exe",
.root_source_file= .{ .path="exe.zig" },
.target=target,
.optimize=optimize,
});
exe.linkLibrary(lib);
b.installArtifact(exe);
construn_cmd=b.addRunArtifact(exe);
run_cmd.step.dependOn(b.getInstallStep());
construn_step=b.step("run", "Run");
run_step.dependOn(&run_cmd.step);
}
              $ zig build run
steps [2/6] zig build-exe exe Debug native... LLVM Emit Object... thread 143239 panic: panic
Panicked during a panic. Aborting.

              Expected Behavior
              $ zig build run
steps [2/6] zig build-exe exe Debug native... LLVM Emit Object... thread 142400 panic: panic
lib.zig:2:5: 0x21ea65 in main (exe)
@panic("panic");
^

              Metadata
              Metadata
              Assignees
              No one assigned
                Labels
                bugObserved behavior contradicts documented or intended behavior
                Type
                No type
                Projects
                No projects
                  Milestone
                  No 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
                  Stack trace not printed when panicking in imported function #16975
                  Closed
                  #16977
                  Closed
                  Stack trace not printed when panicking in imported function#16975
                  #16977
                  Labels
                  bugObserved behavior contradicts documented or intended behavior
                  Description
                  @ghost
                  ghost
                  opened on Aug 26, 2023
                  Zig Version
                  0.12.0-dev.168+a31748b29
                  Steps to Reproduce and Observed Behavior
                  exe.zig
                  externfnpanic() void;
pubfnmain() void {
panic();
}
                  lib.zig
                  exportfnpanic() void {
@panic("panic");
}
                  build.zig
                  conststd=@import("std");
pubfnbuild(b: *std.Build) !void {
consttarget=b.standardTargetOptions(.{});
constoptimize=b.standardOptimizeOption(.{});
constlib=b.addStaticLibrary(.{
.name="lib",
.root_source_file= .{ .path="lib.zig" },
.target=target,
.optimize=optimize,
});
constexe=b.addExecutable(.{
.name="exe",
.root_source_file= .{ .path="exe.zig" },
.target=target,
.optimize=optimize,
});
exe.linkLibrary(lib);
b.installArtifact(exe);
construn_cmd=b.addRunArtifact(exe);
run_cmd.step.dependOn(b.getInstallStep());
construn_step=b.step("run", "Run");
run_step.dependOn(&run_cmd.step);
}
                  $ zig build run
steps [2/6] zig build-exe exe Debug native... LLVM Emit Object... thread 143239 panic: panic
Panicked during a panic. Aborting.

                  Expected Behavior
                  $ zig build run
steps [2/6] zig build-exe exe Debug native... LLVM Emit Object... thread 142400 panic: panic
lib.zig:2:5: 0x21ea65 in main (exe)
@panic("panic");
^

                  Metadata
                  Metadata
                  Assignees
                  No one assigned
                    Labels
                    bugObserved behavior contradicts documented or intended behavior
                    Type
                    No type
                    Projects
                    No projects
                      Milestone
                      No 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
                      Stack trace not printed when panicking in imported function #16975
                      Closed
                      #16977
                      Closed
                      Stack trace not printed when panicking in imported function#16975
                      #16977
                      Labels
                      bugObserved behavior contradicts documented or intended behavior
                      Description
                      @ghost
                      ghost
                      opened on Aug 26, 2023
                      Zig Version
                      0.12.0-dev.168+a31748b29
                      Steps to Reproduce and Observed Behavior
                      exe.zig
                      externfnpanic() void;
pubfnmain() void {
panic();
}
                      lib.zig
                      exportfnpanic() void {
@panic("panic");
}
                      build.zig
                      conststd=@import("std");
pubfnbuild(b: *std.Build) !void {
consttarget=b.standardTargetOptions(.{});
constoptimize=b.standardOptimizeOption(.{});
constlib=b.addStaticLibrary(.{
.name="lib",
.root_source_file= .{ .path="lib.zig" },
.target=target,
.optimize=optimize,
});
constexe=b.addExecutable(.{
.name="exe",
.root_source_file= .{ .path="exe.zig" },
.target=target,
.optimize=optimize,
});
exe.linkLibrary(lib);
b.installArtifact(exe);
construn_cmd=b.addRunArtifact(exe);
run_cmd.step.dependOn(b.getInstallStep());
construn_step=b.step("run", "Run");
run_step.dependOn(&run_cmd.step);
}
                      $ zig build run
steps [2/6] zig build-exe exe Debug native... LLVM Emit Object... thread 143239 panic: panic
Panicked during a panic. Aborting.

                      Expected Behavior
                      $ zig build run
steps [2/6] zig build-exe exe Debug native... LLVM Emit Object... thread 142400 panic: panic
lib.zig:2:5: 0x21ea65 in main (exe)
@panic("panic");
^

                      Metadata
                      Metadata
                      Assignees
                      No one assigned
                        Labels
                        bugObserved behavior contradicts documented or intended behavior
                        Type
                        No type
                        Projects
                        No projects
                          Milestone
                          No 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
                          Stack trace not printed when panicking in imported function #16975
                          Closed
                          #16977
                          Closed
                          Stack trace not printed when panicking in imported function#16975
                          #16977
                          Labels
                          bugObserved behavior contradicts documented or intended behavior
                          Description
                          @ghost
                          ghost
                          opened on Aug 26, 2023
                          Zig Version
                          0.12.0-dev.168+a31748b29
                          Steps to Reproduce and Observed Behavior
                          exe.zig
                          externfnpanic() void;
pubfnmain() void {
panic();
}
                          lib.zig
                          exportfnpanic() void {
@panic("panic");
}
                          build.zig
                          conststd=@import("std");
pubfnbuild(b: *std.Build) !void {
consttarget=b.standardTargetOptions(.{});
constoptimize=b.standardOptimizeOption(.{});
constlib=b.addStaticLibrary(.{
.name="lib",
.root_source_file= .{ .path="lib.zig" },
.target=target,
.optimize=optimize,
});
constexe=b.addExecutable(.{
.name="exe",
.root_source_file= .{ .path="exe.zig" },
.target=target,
.optimize=optimize,
});
exe.linkLibrary(lib);
b.installArtifact(exe);
construn_cmd=b.addRunArtifact(exe);
run_cmd.step.dependOn(b.getInstallStep());
construn_step=b.step("run", "Run");
run_step.dependOn(&run_cmd.step);
}
                          $ zig build run
steps [2/6] zig build-exe exe Debug native... LLVM Emit Object... thread 143239 panic: panic
Panicked during a panic. Aborting.

                          Expected Behavior
                          $ zig build run
steps [2/6] zig build-exe exe Debug native... LLVM Emit Object... thread 142400 panic: panic
lib.zig:2:5: 0x21ea65 in main (exe)
@panic("panic");
^

                          Metadata
                          Metadata
                          Assignees
                          No one assigned
                            Labels
                            bugObserved behavior contradicts documented or intended behavior
                            Type
                            No type
                            Projects
                            No projects
                              Milestone
                              No 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); }
})();
})();

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                              Stack trace not printed when panicking in imported function #16975
                              Closed
                              #16977
                              Closed
                              Stack trace not printed when panicking in imported function#16975
                              #16977
                              Labels
                              bugObserved behavior contradicts documented or intended behavior
                              Description
                              @ghost
                              ghost
                              opened on Aug 26, 2023
                              Zig Version
                              0.12.0-dev.168+a31748b29
                              Steps to Reproduce and Observed Behavior
                              exe.zig
                              externfnpanic() void;
pubfnmain() void {
panic();
}
                              lib.zig
                              exportfnpanic() void {
@panic("panic");
}
                              build.zig
                              conststd=@import("std");
pubfnbuild(b: *std.Build) !void {
consttarget=b.standardTargetOptions(.{});
constoptimize=b.standardOptimizeOption(.{});
constlib=b.addStaticLibrary(.{
.name="lib",
.root_source_file= .{ .path="lib.zig" },
.target=target,
.optimize=optimize,
});
constexe=b.addExecutable(.{
.name="exe",
.root_source_file= .{ .path="exe.zig" },
.target=target,
.optimize=optimize,
});
exe.linkLibrary(lib);
b.installArtifact(exe);
construn_cmd=b.addRunArtifact(exe);
run_cmd.step.dependOn(b.getInstallStep());
construn_step=b.step("run", "Run");
run_step.dependOn(&run_cmd.step);
}
                              $ zig build run
steps [2/6] zig build-exe exe Debug native... LLVM Emit Object... thread 143239 panic: panic
Panicked during a panic. Aborting.

                              Expected Behavior
                              $ zig build run
steps [2/6] zig build-exe exe Debug native... LLVM Emit Object... thread 142400 panic: panic
lib.zig:2:5: 0x21ea65 in main (exe)
@panic("panic");
^

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