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/string-init.c b/test/CodeGen/string-init.c
index b2b10dc..38c7ec0 100644
--- a/test/CodeGen/string-init.c
+++ b/test/CodeGen/string-init.c
@@ -1,4 +1,4 @@
-// RUN: clang -emit-llvm %s -o %t &&
+// RUN: clang-cc -emit-llvm %s -o %t &&
 // RUN: grep 'internal constant \[10 x i8\]' %t &&
 // RUN: not grep -F "[5 x i8]" %t &&
 // RUN: not grep "store " %t