[lit] Make it possible for the lit test suite to pass with
`FILECHECK_OPTS=-v` set in the environment.
Follow up to r350850 as requested by Joel E. Denny in
https://reviews.llvm.org/D56541 .
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@350854 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/lit/tests/shtest-run-at-line.py b/utils/lit/tests/shtest-run-at-line.py
index cd0e081..7e5d53b 100644
--- a/utils/lit/tests/shtest-run-at-line.py
+++ b/utils/lit/tests/shtest-run-at-line.py
@@ -1,7 +1,7 @@
# Check that -vv makes the line number of the failing RUN command clear.
# (-v is actually sufficient in the case of the internal shell.)
#
-# RUN: not %{lit} -j 1 -vv %{inputs}/shtest-run-at-line > %t.out
+# RUN: env -u FILECHECK_OPTS not %{lit} -j 1 -vv %{inputs}/shtest-run-at-line > %t.out
# RUN: FileCheck --input-file %t.out %s
#
# END.
