Rename clang to clang-cc.

Tests and drivers updated, still need to shuffle dirs.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67602 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/PR2728.c b/test/Sema/PR2728.c
index 01a3be7..26c96fe 100644
--- a/test/Sema/PR2728.c
+++ b/test/Sema/PR2728.c
@@ -1,5 +1,5 @@
-// RUN: clang -verify -fsyntax-only -std=c90 %s &&
-// RUN: clang -verify -fsyntax-only -std=c99 %s
+// RUN: clang-cc -verify -fsyntax-only -std=c90 %s &&
+// RUN: clang-cc -verify -fsyntax-only -std=c99 %s
 
 struct s
 {