Complain about sizeof(overloaded function) rather than crashing.

llvm-svn: 104470
diff --git a/clang/test/SemaCXX/alignof-sizeof-reference.cpp b/clang/test/SemaCXX/alignof-sizeof-reference.cpp
index f02282d..dd64d6a 100644
--- a/clang/test/SemaCXX/alignof-sizeof-reference.cpp
+++ b/clang/test/SemaCXX/alignof-sizeof-reference.cpp
@@ -7,3 +7,9 @@
   static_assert(alignof(r) == 1, "bad alignment");
   static_assert(sizeof(r) == 1, "bad size");
 }
+
+void f(); 
+void f(int); 
+void g() { 
+  sizeof(&f); // expected-error{{invalid application of 'sizeof' to an overloaded function}}
+}