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/2009-03-22-increment-bitfield.c b/test/CodeGen/2009-03-22-increment-bitfield.c
index 7a18cea..f0aaafd 100644
--- a/test/CodeGen/2009-03-22-increment-bitfield.c
+++ b/test/CodeGen/2009-03-22-increment-bitfield.c
@@ -1,4 +1,4 @@
-// RUN: clang -emit-llvm -O1 < %s | grep "ret i32 0"
+// RUN: clang-cc -emit-llvm -O1 < %s | grep "ret i32 0"
 
 int a(void) {
   return ++(struct x {unsigned x : 2;}){3}.x;