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/struct-passing.c b/test/CodeGen/struct-passing.c
index 305101d..9a4f476 100644
--- a/test/CodeGen/struct-passing.c
+++ b/test/CodeGen/struct-passing.c
@@ -1,4 +1,4 @@
-// RUN: clang -triple i386-pc-linux-gnu -emit-llvm -o %t %s &&
+// RUN: clang-cc -triple i386-pc-linux-gnu -emit-llvm -o %t %s &&
 // RUN: grep 'declare i32 @f0() readnone$' %t &&
 // RUN: grep 'declare i32 @f1() readonly$' %t &&
 // RUN: grep 'declare void @f2(.* noalias sret)$' %t &&