Commit 0b768cd9ddc4dde512647cd60617db23ed6ec434 | zig

author	glowsquid <sachabarsayuracko@gmail.com> 2026-04-22 02:00:41+02:00
committer	Andrew Kelley <andrew@ziglang.org> 2026-04-22 02:00:41+02:00
log	0b768cd9ddc4dde512647cd60617db23ed6ec434
tree	f60e4bd2294d602f49ca3d69ae36d61db3a1f602
parent	3ea77badf94d996740337f6ce6e6612178627dd1

fixes #31926

Reviewed-on: https://codeberg.org/ziglang/zig/pulls/31930
Reviewed-by: Andrew Kelley <andrew@ziglang.org>

4 files changed, 17 insertions(+), 7 deletions(-)

ci/aarch64-macos-release.sh+3

...	...	@@ -55,6 +55,9 @@ stage3-release/bin/zig build test docs \
55	55	stage3-release/bin/zig build test-std --fuzz=1K -Dno-lib -Dfuzz-only -Doptimize=ReleaseSafe
56	56	stage3-release/bin/zig build test-std --fuzz=1K -Dno-lib -Dfuzz-only -Doptimize=Debug
57	57
	58	# Ensure that reduce compiles
	59	stage3-release/bin/zig reduce -h
	60
58	61	# Ensure that stage3 and stage4 are byte-for-byte identical.
59	62	stage3-release/bin/zig build \
60	63	--maxrss ${ZSF_MAX_RSS:-0} \

ci/x86_64-linux-release.sh+3

...	...	@@ -77,6 +77,9 @@ stage3-release/bin/zig build test docs \
77	77	stage3-release/bin/zig build test-std --fuzz=1K -Dno-lib -Dfuzz-only -Doptimize=ReleaseSafe
78	78	stage3-release/bin/zig build test-std --fuzz=1K -Dno-lib -Dfuzz-only -Doptimize=Debug
79	79
	80	# Ensure that reduce compiles
	81	stage3-release/bin/zig reduce -h
	82
80	83	# Ensure that stage3 and stage4 are byte-for-byte identical.
81	84	stage3-release/bin/zig build \
82	85	--prefix stage4-release \

ci/x86_64-windows-release.ps1+4

...	...	@@ -61,6 +61,10 @@ CheckLastExitCode
61	61	# stage3-release\bin\zig.exe build test-std --fuzz=1K -Dno-lib -Dfuzz-only -Doptimize=Debug
62	62	# CheckLastExitCode
63	63
	64	# Ensure that reduce compiles
	65	stage3-release\bin\zig.exe build reduce -h
	66	CheckLastExitCode
	67
64	68	# Ensure that stage3 and stage4 are byte-for-byte identical.
65	69	Write-Output "Build and compare stage4..."
66	70	stage3-release\bin\zig.exe build `

lib/compiler/reduce/Walk.zig+7-7

...	...	@@ -6,9 +6,9 @@ const BuiltinFn = std.zig.BuiltinFn;
6	6
7	7	ast: *const Ast,
8	8	transformations: *std.array_list.Managed(Transformation),
9		unreferenced_globals: std.StringArrayHashMapUnmanaged(Ast.Node.Index),
10		in_scope_names: std.StringArrayHashMapUnmanaged(u32),
11		replace_names: std.StringArrayHashMapUnmanaged(u32),
	9	unreferenced_globals: std.array_hash_map.String(Ast.Node.Index),
	10	in_scope_names: std.array_hash_map.String(u32),
	11	replace_names: std.array_hash_map.String(u32),
12	12	gpa: std.mem.Allocator,
13	13	arena: std.mem.Allocator,
14	14
...	...	@@ -63,9 +63,9 @@ pub fn findTransformations(
63	63	.transformations = transformations,
64	64	.gpa = transformations.allocator,
65	65	.arena = arena,
66		.unreferenced_globals = .{},
67		.in_scope_names = .{},
68		.replace_names = .{},
	66	.unreferenced_globals = .empty,
	67	.in_scope_names = .empty,
	68	.replace_names = .empty,
69	69	};
70	70	defer {
71	71	walk.unreferenced_globals.deinit(walk.gpa);
...	...	@@ -607,7 +607,7 @@ fn walkBlock(
607	607	{
608	608	try w.transformations.append(.{ .delete_var_decl = .{
609	609	.var_decl_node = stmt,
610		.references = .{},
	610	.references = .empty,
611	611	} });
612	612	const name_tok = var_decl.ast.mut_token + 1;
613	613	const name_bytes = ast.tokenSlice(name_tok);