Commit 87fb7df25794d12b2316dd41a9111e2206c00152 | zig

author	Mason Remaley <mason@gamesbymason.com> 2026-04-11 18:20:26-07:00
committer	Mason Remaley <mason@gamesbymason.com> 2026-04-12 04:01:30-07:00
log	87fb7df25794d12b2316dd41a9111e2206c00152
tree	47a897f98b92f7e07a0af13b4dc8e90b1ab53a2f
parent	ac207073f3426e615e7d4735994f73f67af7ee8e

4 files changed, 8 insertions(+), 6 deletions(-)

doc/langref.html.in+1-1

...	...	@@ -3263,7 +3263,7 @@ fn createFoo(param: i32) !Foo {
3263	3263	<ul>
3264	3264	<li>Return an error from main</li>
3265	3265	<li>An error makes its way to {#syntax#}catch unreachable{#endsyntax#} and you have not overridden the default panic handler</li>
3266		<li>Use {#link\|errorReturnTrace#} to access the current return trace. You can use {#syntax#}std.debug.dumpStackTrace{#endsyntax#} to print it. This function returns comptime-known {#link\|null#} when building without error return tracing support.</li>
	3266	<li>Use {#link\|errorReturnTrace#} to access the current return trace. You can use {#syntax#}std.debug.dumpErrorReturnTrace{#endsyntax#} to print it. This function returns comptime-known {#link\|null#} when building without error return tracing support.</li>
3267	3267	</ul>
3268	3268	{#header_open\|Implementation Details#}
3269	3269	<p>

lib/compiler/test_runner.zig+3-3

...	...	@@ -144,7 +144,7 @@ fn mainServer(init: std.process.Init.Minimal) !void {
144	144	error.SkipZigTest => .skip,
145	145	else => s: {
146	146	if (@errorReturnTrace()) \|trace\| {
147		std.debug.dumpStackTrace(trace);
	147	std.debug.dumpErrorReturnTrace(trace);
148	148	}
149	149	break :s .fail;
150	150	},
...	...	@@ -312,7 +312,7 @@ fn mainTerminal(init: std.process.Init.Minimal) void {
312	312	std.debug.print("FAIL ({t})\n", .{err});
313	313	}
314	314	if (@errorReturnTrace()) \|trace\| {
315		std.debug.dumpStackTrace(trace);
	315	std.debug.dumpErrorReturnTrace(trace);
316	316	}
317	317	test_node.end();
318	318	},
...	...	@@ -438,7 +438,7 @@ var fuzz_runner: if (builtin.fuzz) struct {
438	438	error.SkipZigTest => return,
439	439	else => {
440	440	if (@errorReturnTrace()) \|trace\| {
441		std.debug.dumpStackTrace(trace);
	441	std.debug.dumpErrorReturnTrace(trace);
442	442	}
443	443	std.debug.print("failed with error.{t}\n", .{err});
444	444	std.process.exit(1);

lib/std/Thread.zig+2-2

...	...	@@ -442,7 +442,7 @@ fn callFn(comptime f: anytype, args: anytype) switch (Impl) {
442	442	@call(.auto, f, args) catch \|err\| {
443	443	std.debug.print("error: {s}\n", .{@errorName(err)});
444	444	if (@errorReturnTrace()) \|trace\| {
445		std.debug.dumpStackTrace(trace);
	445	std.debug.dumpErrorReturnTrace(trace);
446	446	}
447	447	};
448	448
...	...	@@ -932,7 +932,7 @@ const WasiThreadImpl = struct {
932	932	@call(.auto, f, w.args) catch \|err\| {
933	933	std.debug.print("error: {s}\n", .{@errorName(err)});
934	934	if (@errorReturnTrace()) \|trace\| {
935		std.debug.dumpStackTrace(trace);
	935	std.debug.dumpErrorReturnTrace(trace);
936	936	}
937	937	};
938	938	},

lib/std/std.zig+2

...	...	@@ -165,6 +165,8 @@ pub const Options = struct {
165	165	/// * `debug.dumpCurrentStackTrace`
166	166	/// * `debug.writeStackTrace`
167	167	/// * `debug.dumpStackTrace`
	168	/// * `debug.writeErrorReturnTrace`
	169	/// * `debug.dumpErrorReturnTrace`
168	170	///
169	171	/// Stack traces can generally be collected and printed when debug info is stripped, but are
170	172	/// often less useful since they usually cannot be mapped to source locations and/or have bad