fix PR 3222: allow one to get the address of a global function in C++

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61111 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaCXX/address-of.cpp b/test/SemaCXX/address-of.cpp
index 5451f32..3d0e57f 100644
--- a/test/SemaCXX/address-of.cpp
+++ b/test/SemaCXX/address-of.cpp
@@ -1,4 +1,4 @@
-// RUN: clang -fsyntax-only -verify %S
+// RUN: clang -fsyntax-only -verify %s
 // PR clang/3175
 
 void bar(int*);
@@ -29,3 +29,7 @@
 void test2() {
   (void)&N; // expected-error{{address expression must be an lvalue or a function designator}}
 }
+
+// PR clang/3222
+void xpto();
+void (*xyz)(void) = &xpto;