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-rw-r--r--src/Sema.zig5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/Sema.zig b/src/Sema.zig
index af3e3700d7..2c404c476e 100644
--- a/src/Sema.zig
+++ b/src/Sema.zig
@@ -22368,7 +22368,10 @@ fn zirErrorCast(sema: *Sema, block: *Block, extended: Zir.Inst.Extended.InstData
try sema.requireRuntimeBlock(block, src, operand_src);
const err_int_ty = try mod.errorIntType();
- if (block.wantSafety() and !dest_ty.isAnyError(mod) and sema.mod.backendSupportsFeature(.error_set_has_value)) {
+ if (block.wantSafety() and !dest_ty.isAnyError(mod) and
+ dest_ty.toIntern() != .adhoc_inferred_error_set_type and
+ sema.mod.backendSupportsFeature(.error_set_has_value))
+ {
if (dest_tag == .ErrorUnion) {
const err_code = try sema.analyzeErrUnionCode(block, operand_src, operand);
const err_int = try block.addBitCast(err_int_ty, err_code);