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-rw-r--r--lib/Sema/SemaExpr.cpp3
-rw-r--r--test/Sema/address_spaces.c5
2 files changed, 8 insertions, 0 deletions
diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index ab190276af..c084bb0a80 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -8690,6 +8690,9 @@ bool Sema::DiagnoseAssignmentResult(AssignConvertType ConvTy,
DiagKind = diag::ext_typecheck_convert_pointer_void_func;
break;
case IncompatiblePointerDiscardsQualifiers: {
+ // Perform array-to-pointer decay if necessary.
+ if (SrcType->isArrayType()) SrcType = Context.getArrayDecayedType(SrcType);
+
Qualifiers lhq = SrcType->getPointeeType().getQualifiers();
Qualifiers rhq = DstType->getPointeeType().getQualifiers();
if (lhq.getAddressSpace() != rhq.getAddressSpace()) {
diff --git a/test/Sema/address_spaces.c b/test/Sema/address_spaces.c
index 38b51b2912..a53bb4da00 100644
--- a/test/Sema/address_spaces.c
+++ b/test/Sema/address_spaces.c
@@ -39,3 +39,8 @@ void * get_0(void) {
return base[0]; // expected-error {{returning '__attribute__((address_space(256))) void *' from a function with result type 'void *' changes address space of pointer}}
}
+__attribute__((address_space(1))) char test3_array[10];
+void test3(void) {
+ extern void test3_helper(char *p); // expected-note {{passing argument to parameter 'p' here}}
+ test3_helper(test3_array); // expected-error {{changes address space of pointer}}
+}