[lit] follow-up 2380c1b609631, check stdout and stderr separately
authorYuanfang Chen <yuanfang.chen@sony.com>
Thu, 22 Sep 2022 23:42:47 +0000 (16:42 -0700)
committerYuanfang Chen <yuanfang.chen@sony.com>
Thu, 22 Sep 2022 23:42:47 +0000 (16:42 -0700)
commit5850b995ef7b0281009cb55626f6d650e394a263
tree7fbe402886b7d0a3186c591e6a0dcfdfd682fdd6
parent2380c1b609631c049e196d0efb37b1316b4091b4
[lit] follow-up 2380c1b609631, check stdout and stderr separately

The error output is cached so it could be out of order with stdout in
some bots.
llvm/utils/lit/tests/googletest-detect-duplicate.py