Prevent these tests from dirtying the tree with output files that aren't even
used for the test.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110431 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/asm-errors.c b/test/CodeGen/asm-errors.c
index 7323e61..aea5cb2 100644
--- a/test/CodeGen/asm-errors.c
+++ b/test/CodeGen/asm-errors.c
@@ -1,4 +1,4 @@
-// RUN: not %clang_cc1 -triple i386-apple-darwin10 -emit-obj %s  > %t 2>&1
+// RUN: not %clang_cc1 -triple i386-apple-darwin10 -emit-obj %s -o /dev/null > %t 2>&1
 // RUN: FileCheck %s < %t
 
 int test1(int X) {