1 files changed, 1 insertions, 1 deletions
diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp
index 1bbe08e38d..42efcfbee7 100644
--- a/lib/AST/ASTContext.cpp
+++ b/lib/AST/ASTContext.cpp
@@ -4736,7 +4736,7 @@ QualType ASTContext::mergeTransparentUnionType(QualType T, QualType SubType,
     if (UD->hasAttr<TransparentUnionAttr>()) {
       for (RecordDecl::field_iterator it = UD->field_begin(),
            itend = UD->field_end(); it != itend; ++it) {
-        QualType ET = it->getType();
+        QualType ET = getCanonicalParamType(it->getType());
         QualType MT = mergeTypes(ET, SubType, OfBlockPointer, Unqualified);
         if (!MT.isNull())
           return MT;