Fix PR8760: IndirectFieldDecl Type was not updated during template instantiation.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@121363 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenCXX/anonymous-union-member-initializer.cpp b/test/CodeGenCXX/anonymous-union-member-initializer.cpp
index 9ba3805..187164e 100644
--- a/test/CodeGenCXX/anonymous-union-member-initializer.cpp
+++ b/test/CodeGenCXX/anonymous-union-member-initializer.cpp
@@ -90,3 +90,16 @@
     };
   };
 } s;
+
+
+ //PR8760 
+ template <typename T>

+  struct Foo {

+    Foo() : ptr(__nullptr) {}

+    union {

+      T *ptr;

+   };

+  };

+  Foo<int> f;

+  

+