[AArch64] Fix typo (NFC)

Fix another typo, this time in the `RUN` line, which used a syntax not
universally supported, in test case added by D56572.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@351144 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/AArch64/misched-fusion-arith-logic.mir b/test/CodeGen/AArch64/misched-fusion-arith-logic.mir
index fb4317a1933eb4646c242f7af1a94ab77dbb4595..f844347270a30a6f058e4c05d4326ce58e632b34 100644 (file)
--- a/test/CodeGen/AArch64/misched-fusion-arith-logic.mir
+++ b/test/CodeGen/AArch64/misched-fusion-arith-logic.mir
@@ -1,4 +1,4 @@
-# RUN: llc -o - %s -mtriple aarch64-unknown -mattr=fuse-arith-logic -run-pass=machine-scheduler -misched-print-dags |& FileCheck %s
+# RUN: llc -o /dev/null 2>&1 %s -mtriple aarch64-unknown -mattr=fuse-arith-logic -run-pass=machine-scheduler -misched-print-dags | FileCheck %s
 # REQUIRES: asserts
 
 ---