add comments for the various AssignConvertType's, and split int->pointer from pointer->int.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@45591 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/builtins.c b/test/Sema/builtins.c
index 59a339a..ca3cbaf 100644
--- a/test/Sema/builtins.c
+++ b/test/Sema/builtins.c
@@ -26,7 +26,7 @@
 void cfstring() {
   CFSTR("\242"); // expected-warning {{ CFString literal contains non-ASCII character }}
   CFSTR("\0"); // expected-warning {{ CFString literal contains NUL character }}
-  CFSTR(242); // expected-error {{ CFString literal is not a string constant }} expected-warning {{incompatible pointer/int conversion}}
+  CFSTR(242); // expected-error {{ CFString literal is not a string constant }} expected-warning {{incompatible integer to pointer conversion}}
   CFSTR("foo", "bar"); // expected-error {{ error: too many arguments to function }}
 }