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/global-init.c b/test/CodeGen/global-init.c
index 133a3b5..4b769f8 100644
--- a/test/CodeGen/global-init.c
+++ b/test/CodeGen/global-init.c
@@ -1,4 +1,4 @@
-// RUN: clang -emit-llvm -o - %s | not grep "common"
+// RUN: clang-cc -emit-llvm -o - %s | not grep "common"
 
 // This checks that the global won't be marked as common. 
 // (It shouldn't because it's being initialized).