Fix the CodeGen half of PR5911 by changing reference initialization to

correctly look through arrays to see cv-qualifiers. Also enhances the routine
for doing this to preserve more type sugaring for diagnostics.

llvm-svn: 93252

1 files changed, 2 insertions, 4 deletions

diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index e729b1b58d5..76ec852cb89 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -2374,13 +2374,11 @@ CanQualType ASTContext::getCanonicalType(QualType T) {
 
 QualType ASTContext::getUnqualifiedArrayType(QualType T,
                                              Qualifiers &Quals) {
-  assert(T.isCanonical() && "Only operates on canonical types");
+  Quals = T.getQualifiers();
   if (!isa<ArrayType>(T)) {
-    Quals = T.getLocalQualifiers();
-    return T.getLocalUnqualifiedType();
+    return T.getUnqualifiedType();
   }
 
-  assert(!T.hasQualifiers() && "canonical array type has qualifiers!");
   const ArrayType *AT = cast<ArrayType>(T);
   QualType Elt = AT->getElementType();
   QualType UnqualElt = getUnqualifiedArrayType(Elt, Quals);