Update tests to use %clang instead of 'clang', and forcibly disable use of '
clang ' or ' clang -cc1 ' or ' clang-cc ' in test lines (by substituting them to
garbage).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91460 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/wchar.c b/test/Sema/wchar.c
index ed6649a..edec2b3 100644
--- a/test/Sema/wchar.c
+++ b/test/Sema/wchar.c
@@ -1,5 +1,5 @@
-// RUN: clang %s -fsyntax-only -Xclang -verify
-// RUN: clang %s -fsyntax-only -fshort-wchar -Xclang -verify -DSHORT_WCHAR
+// RUN: %clang %s -fsyntax-only -Xclang -verify
+// RUN: %clang %s -fsyntax-only -fshort-wchar -Xclang -verify -DSHORT_WCHAR
 
 typedef __WCHAR_TYPE__ wchar_t;