Remove unneeded test. We have plenty of subgroup relations between warnings,

and for those we care about we should have a general way of testing them.

llvm-svn: 174531

clang/test/Sema/incompatible-pointer-types-error.c

@@ -1,16 +0,0 @@
-// RUN: %clang -fsyntax-only %s -Xclang -verify -Werror=incompatible-pointer-types -Wno-error=incompatible-pointer-types-discards-qualifiers
-
-// This test ensures that the subgroup of -Wincompatible-pointer-types warnings that
-// concern discarding qualifers can be promoted (or not promoted) to an error *separately* from
-// the other -Wincompatible-pointer-type warnings.
-//
-// <rdar://problem/13062738>
-//
-
-void foo(char *s); // expected-note {{passing argument to parameter 's' here}}
-void baz(int *s); // expected-note {{passing argument to parameter 's' here}}
-
-void bar(const char *s) {
-  foo(s); // expected-warning {{passing 'const char *' to parameter of type 'char *' discards qualifiers}}
-  baz(s); // expected-error {{incompatible pointer types passing 'const char *' to parameter of type 'int *'}}
-}