motiejus/zig

commit 798acd932e8a6aaad452f038e8c5b68efc79a8f5 (tree)
parent 3da6a19011267a2d69385e0b7848e7726c266897
Author: Frank Denis <github@pureftpd.org>
Date:   Thu, 18 Sep 2025 16:19:56 +0200

aarch64/zonCast: don't return a pointer to a stack element

Elements are computed at comptime, so don't declare them as "var".

Diffstat:
M
src/codegen/aarch64/Assemble.zig
 | 
7
+++++--

1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/src/codegen/aarch64/Assemble.zig b/src/codegen/aarch64/Assemble.zig
@@ -42,8 +42,11 @@ fn zonCast(comptime Result: type, zon_value: anytype, symbols: anytype) Result {
         .@"struct" => |zon_struct| switch (@typeInfo(Result)) {
             .pointer => |result_pointer| {
                 comptime assert(result_pointer.size == .slice and result_pointer.is_const);
-                var elems: [zon_value.len]result_pointer.child = undefined;
-                inline for (&elems, zon_value) |*elem, zon_elem| elem.* = zonCast(result_pointer.child, zon_elem, symbols);
+                const elems = comptime blk: {
+                    var temp_elems: [zon_value.len]result_pointer.child = undefined;
+                    for (&temp_elems, zon_value) |*elem, zon_elem| elem.* = zonCast(result_pointer.child, zon_elem, symbols);
+                    break :blk temp_elems;
+                };
                 return &elems;
             },
             .@"struct" => |result_struct| {