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Fix constant nil assignment to union of nillable types in backend

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gingerBill
2025-11-02 12:04:21 +00:00
parent 91d923bd8f
commit 7f2ab31acc
1 changed files with 6 additions and 0 deletions
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src/llvm_backend_const.cpp
+6
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@@ -701,6 +701,10 @@ gb_internal lbValue lb_const_value(lbModule *m, Type *type, ExactValue value, lb
} }
} }
if (value_type == t_untyped_nil) {
return lb_const_nil(m, original_type);
}
Type *t = bt->Union.variants[0]; Type *t = bt->Union.variants[0];
lbValue cv = lb_const_value(m, t, value, cc); lbValue cv = lb_const_value(m, t, value, cc);
GB_ASSERT(LLVMIsConstant(cv.value)); GB_ASSERT(LLVMIsConstant(cv.value));
@@ -741,6 +745,8 @@ gb_internal lbValue lb_const_value(lbModule *m, Type *type, ExactValue value, lb
} else if (value.kind == ExactValue_Invalid) { } else if (value.kind == ExactValue_Invalid) {
return lb_const_nil(m, original_type); return lb_const_nil(m, original_type);
} }
} else if (value_type == t_untyped_nil) {
return lb_const_nil(m, original_type);
} }
GB_ASSERT_MSG(value_type != nullptr, "%s :: %s", type_to_string(original_type), exact_value_to_string(value)); GB_ASSERT_MSG(value_type != nullptr, "%s :: %s", type_to_string(original_type), exact_value_to_string(value));