Don't a.k.a. through the primary typedef of an anonymous tag decl.
llvm-svn: 93362
diff --git a/clang/lib/Sema/Sema.cpp b/clang/lib/Sema/Sema.cpp
index fefe924..171101b 100644
--- a/clang/lib/Sema/Sema.cpp
+++ b/clang/lib/Sema/Sema.cpp
@@ -110,6 +110,12 @@
if (isa<VectorType>(Underlying))
break;
+ // Don't desugar through the primary typedef of an anonymous type.
+ if (isa<TagType>(Underlying) && isa<TypedefType>(QT))
+ if (cast<TagType>(Underlying)->getDecl()->getTypedefForAnonDecl() ==
+ cast<TypedefType>(QT)->getDecl())
+ break;
+
// Otherwise, we're tearing through something opaque; note that
// we'll eventually need an a.k.a. clause and keep going.
AKA = true;