diff --git a/clang/test/CodeGen/X86/avx512-error.c b/clang/test/CodeGen/X86/avx512-error.c
index 1642527f29282..8e42105ec1127 100644
--- a/clang/test/CodeGen/X86/avx512-error.c
+++ b/clang/test/CodeGen/X86/avx512-error.c
@@ -1,5 +1,5 @@
-// RUN: %clang_cc1 %s -ffreestanding -triple=x86_64-unknown-unknown -target-feature +avx512bw -target-feature -evex512 -emit-llvm -verify -DFEATURE_TEST=1
-// RUN: %clang_cc1 %s -ffreestanding -triple=x86_64-unknown-unknown -target-feature +avx512bw -target-feature -evex512 -emit-llvm -verify -DFEATURE_TEST=2
+// RUN: %clang_cc1 %s -ffreestanding -triple=x86_64-unknown-unknown -target-feature +avx512bw -target-feature -evex512 -emit-llvm -o /dev/null -verify -DFEATURE_TEST=1
+// RUN: %clang_cc1 %s -ffreestanding -triple=x86_64-unknown-unknown -target-feature +avx512bw -target-feature -evex512 -emit-llvm -o /dev/null -verify -DFEATURE_TEST=2
 
 #include <immintrin.h>