[flang] Fix RUN line in test from 3e782ba

The current RUN line leaves a parse-ir-error.s file around, which might
confuse the buildbots. Direct the output into the void instead (although
it would probably be better to direct it to FileCheck).

diff --git a/flang/test/Driver/parse-ir-error.f95 b/flang/test/Driver/parse-ir-error.f95
index d10d71d..1c8b205 100644 (file)
--- a/flang/test/Driver/parse-ir-error.f95
+++ b/flang/test/Driver/parse-ir-error.f95
@@ -6,7 +6,7 @@
 ! RUN LINES
 !----------
 ! Input type is implicit (correctly assumed to be Fortran)
-! RUN: %flang_fc1 -S %s
+! RUN: %flang_fc1 -S -o /dev/null %s
 ! Input type is explicitly set as LLVM IR
 ! RUN: not %flang -S -x ir %s 2>&1 | FileCheck %s