Fix AST serialization of reference-to-reference types. This previously caused
a crash when deserializing the AST for this:
typedef char (&R);
extern R &r;
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129358 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/PCH/cxx-reference.cpp b/test/PCH/cxx-reference.cpp
new file mode 100644
index 0000000..90d00d7
--- /dev/null
+++ b/test/PCH/cxx-reference.cpp
@@ -0,0 +1,6 @@
+// Test this without pch.
+// RUN: %clang_cc1 -std=c++0x -include %S/cxx-reference.h -fsyntax-only -emit-llvm -o - %s
+
+// Test with pch.
+// RUN: %clang_cc1 -std=c++0x -emit-pch -o %t %S/cxx-reference.h
+// RUN: %clang_cc1 -std=c++0x -include-pch %t -fsyntax-only -emit-llvm -o - %s