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/PR3709-int-to-pointer-sign.c b/test/CodeGen/PR3709-int-to-pointer-sign.c
index 85944a3..24c42f6 100644
--- a/test/CodeGen/PR3709-int-to-pointer-sign.c
+++ b/test/CodeGen/PR3709-int-to-pointer-sign.c
@@ -1,4 +1,4 @@
-// RUN: clang -emit-llvm %s -o - -O1 -triple=x86_64-gnu-linux | grep "i64 -1"
+// RUN: clang-cc -emit-llvm %s -o - -O1 -triple=x86_64-gnu-linux | grep "i64 -1"
 
 // PR3709
 long long a() { return (long long)(int*)-1;}