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/long-double-x86.c b/test/CodeGen/long-double-x86.c
index 8954042..b01ce0b 100644
--- a/test/CodeGen/long-double-x86.c
+++ b/test/CodeGen/long-double-x86.c
@@ -1,4 +1,4 @@
-// RUN: clang %s -emit-llvm -o - -triple=i686-apple-darwin9 | grep x86_fp80
+// RUN: clang-cc %s -emit-llvm -o - -triple=i686-apple-darwin9 | grep x86_fp80
 
 long double x = 0;
 int checksize[sizeof(x) == 16 ? 1 : -1];