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-rw-r--r--clang/lib/AST/ASTContext.cpp9
1 files changed, 9 insertions, 0 deletions
diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index c295f599a37..370155873c0 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -7617,6 +7617,15 @@ QualType ASTContext::mergeTypes(QualType LHS, QualType RHS,
Qualifiers LQuals = LHSCan.getLocalQualifiers();
Qualifiers RQuals = RHSCan.getLocalQualifiers();
if (LQuals != RQuals) {
+ if (getLangOpts().OpenCL) {
+ if (LHS.getUnqualifiedType() != RHS.getUnqualifiedType() ||
+ LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers())
+ return QualType();
+ if (LQuals.isAddressSpaceSupersetOf(RQuals))
+ return LHS;
+ if (RQuals.isAddressSpaceSupersetOf(LQuals))
+ return RHS;
+ }
// If any of these qualifiers are different, we have a type
// mismatch.
if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() ||
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