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/Preprocessor/hash_space.c b/test/Preprocessor/hash_space.c
index 77f5cfc..e7dbd3b 100644
--- a/test/Preprocessor/hash_space.c
+++ b/test/Preprocessor/hash_space.c
@@ -1,4 +1,4 @@
-// RUN: clang %s -E | grep " #"
+// RUN: clang-cc %s -E | grep " #"
 
 // Should put a space before the # so that -fpreprocessed mode doesn't
 // macro expand this again.