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/CodeGenObjC/overloadable.m b/test/CodeGenObjC/overloadable.m
index fe00fad..5a5868e 100644
--- a/test/CodeGenObjC/overloadable.m
+++ b/test/CodeGenObjC/overloadable.m
@@ -1,5 +1,5 @@
 // rdar://6657613
-// RUN: clang -emit-llvm %s -o %t && 
+// RUN: clang-cc -emit-llvm %s -o %t && 
 
 @class C;