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Sema: fix missed union access OPV

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This commit is contained in:
Andrew Kelley 2025-07-21 16:07:20 -07:00
parent cb6702f42d
commit 63f672d322
1 changed files with 6 additions and 0 deletions
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6
src/Sema.zig
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@ -28083,10 +28083,16 @@ fn unionFieldVal(
const active_tag = try block.addTyOp(.get_union_tag, .fromInterned(union_obj.enum_tag_ty), union_byval);
try sema.addSafetyCheckInactiveUnionField(block, src, active_tag, wanted_tag);
}
if (field_ty.zigTypeTag(zcu) == .noreturn) {
_ = try block.addNoOp(.unreach);
return .unreachable_value;
}
if (try sema.typeHasOnePossibleValue(field_ty)) |field_only_value| {
return Air.internedToRef(field_only_value.toIntern());
}
try field_ty.resolveLayout(pt);
return block.addStructFieldVal(union_byval, field_index, field_ty);
}