Fix a problem with the diagnostics of invalid arithmetic with function
pointers I found while working on the NULL arithmetic warning. We here
always assuming the LHS was the pointer, instead of using the selected
pointer expression.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133428 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/pointer-addition.c b/test/Sema/pointer-addition.c
index aa425a7..01047a0 100644
--- a/test/Sema/pointer-addition.c
+++ b/test/Sema/pointer-addition.c
@@ -14,7 +14,8 @@
   /* The next couple tests are only pedantic warnings in gcc */
   void (*d)(S*,void*) = a;
   d += 1;    // expected-warning {{arithmetic on pointer to function type 'void (*)(S *, void *)' is a GNU extension}}
-  d++;       // expected-warning {{arithmetic on pointer to function type 'void (*)(S *, void *)' is a GNU extension}}}
+  d++;       // expected-warning {{arithmetic on pointer to function type 'void (*)(S *, void *)' is a GNU extension}}
   d--;       // expected-warning {{arithmetic on pointer to function type 'void (*)(S *, void *)' is a GNU extension}}
   d -= 1;    // expected-warning {{arithmetic on pointer to function type 'void (*)(S *, void *)' is a GNU extension}}
+  (void)(1 + d); // expected-warning {{arithmetic on pointer to function type 'void (*)(S *, void *)' is a GNU extension}}
 }