Minor build system changes to make ABITest work correctly on Linux.

llvm-svn: 72405
diff --git a/clang/utils/ABITest/layout/Makefile b/clang/utils/ABITest/layout/Makefile
index fa76f18..0520625 100644
--- a/clang/utils/ABITest/layout/Makefile
+++ b/clang/utils/ABITest/layout/Makefile
@@ -12,7 +12,7 @@
 CFLAGS := -std=gnu99
 
 X_COMPILER := llvm-gcc
-Y_COMPILER := xcc -ccc-clang
+Y_COMPILER := clang
 CC := gcc
 
 ifeq (0, 0)