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/Rewriter/block-test.c b/test/Rewriter/block-test.c
index c65815f..9b24e63 100644
--- a/test/Rewriter/block-test.c
+++ b/test/Rewriter/block-test.c
@@ -1,4 +1,4 @@
-// RUN: clang -rewrite-blocks %s -fblocks -o -
+// RUN: clang-cc -rewrite-blocks %s -fblocks -o -
 
 static int (^block)(const void *, const void *) = (int (^)(const void *, const void *))0;
 static int (*func)(int (^block)(void *, void *)) = (int (*)(int (^block)(void *, void *)))0;