Rename clang to clang-cc.

Tests and drivers updated, still need to shuffle dirs.

llvm-svn: 67602
diff --git a/clang/test/Parser/objc-init.m b/clang/test/Parser/objc-init.m
index f45d323..8d74dfe 100644
--- a/clang/test/Parser/objc-init.m
+++ b/clang/test/Parser/objc-init.m
@@ -1,4 +1,4 @@
-// RUN: clang -fsyntax-only -verify %s -pedantic
+// RUN: clang-cc -fsyntax-only -verify %s -pedantic
 // rdar://5707001
 
 @interface NSNumber;