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/CodeGen/blocks-1.c b/test/CodeGen/blocks-1.c
index 54a8351..5fbe76c 100644
--- a/test/CodeGen/blocks-1.c
+++ b/test/CodeGen/blocks-1.c
@@ -1,4 +1,4 @@
-// RUN: clang %s -emit-llvm -o %t -fblocks -f__block &&
+// RUN: clang-cc %s -emit-llvm -o %t -fblocks -f__block &&
 // RUN: grep "_Block_object_dispose" %t | count 15 &&
 // RUN: grep "__copy_helper_block_" %t | count 12 &&
 // RUN: grep "__destroy_helper_block_" %t | count 12 &&