When determining which template partial specialization is more specialized,

make sure to setup the instantiation stack. Fixes rdar://8620775 & http://llvm.org/PR8234

llvm-svn: 118314

1 files changed, 27 insertions, 0 deletions

diff --git a/clang/test/SemaCXX/crashes.cpp b/clang/test/SemaCXX/crashes.cpp
index 53eecb6c14f..87bde2aa939 100644
--- a/clang/test/SemaCXX/crashes.cpp
+++ b/clang/test/SemaCXX/crashes.cpp
@@ -41,3 +41,30 @@ struct {
   new Y // expected-error{{no viable conversion}}
 };
 }
+
+// http://llvm.org/PR8234
+namespace PR8234 {
+template<typename Signature>
+class callback
+{
+};
+
+template<typename R , typename ARG_TYPE0>
+class callback<R( ARG_TYPE0)>
+{
+    public:
+        callback() {}
+};
+
+template< typename ARG_TYPE0>
+class callback<void( ARG_TYPE0)>
+{
+    public:
+        callback() {}
+};
+
+void f()
+{
+    callback<void(const int&)> op;
+}
+}