Restore patch reversed in r118475. Fixes
// rdar://8632525
llvm-svn: 118634
diff --git a/clang/lib/Sema/builtin_objc_msgSend.c b/clang/lib/Sema/builtin_objc_msgSend.c
new file mode 100644
index 0000000..357a5bc
--- /dev/null
+++ b/clang/lib/Sema/builtin_objc_msgSend.c
@@ -0,0 +1,12 @@
+// RUN: %clang_cc1 %s -fsyntax-only -verify
+// rdar://8632525
+
+typedef struct objc_class *Class;
+typedef struct objc_object {
+ Class isa;
+} *id;
+
+
+typedef struct objc_selector *SEL;
+extern id objc_msgSend(id self, SEL op, ...);
+