Commit 1acb6a53d04102ed028b73451df2250bd6d45cd9 | zig

author	Casey Banner <kcbanner@gmail.com> 2023-10-28 12:38:31-04:00
committer	Matthew Lugg <mlugg@mlugg.co.uk> 2023-11-07 00:49:39+00:00
log	1acb6a53d04102ed028b73451df2250bd6d45cd9
tree	3ba059a0ec157c99784385fe26898c1c7d2232ba
parent	35c86984a6c5e275c5c980ebb9d4b372291c9917
signature	Commit is signed but in an unrecognized format.

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

src/arch/wasm/CodeGen.zig+8-4

 @@ -3372,10 +3372,14 @@ fn lowerConstant(func: *CodeGen, val: Value, ty: Type) InnerError!WValue {
         },
         .un => |un| {
             // in this case we have a packed union which will not be passed by reference.
-            const union_obj = mod.typeToUnion(ty).?;
+            const constant_ty = if (un.tag == .none)
-            const field_index = mod.unionTagFieldIndex(union_obj, un.tag.toValue()).?;
+                try ty.unionBackingType(mod)
-            const field_ty = union_obj.field_types.get(ip)[field_index].toType();
+            else field_ty: {
-            return func.lowerConstant(un.val.toValue(), field_ty);
+                const union_obj = mod.typeToUnion(ty).?;
+                const field_index = mod.unionTagFieldIndex(union_obj, un.tag.toValue()).?;
+                break :field_ty union_obj.field_types.get(ip)[field_index].toType();
+            };
+            return func.lowerConstant(un.val.toValue(), constant_ty);
         },
         .memoized_call => unreachable,
     }