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[lit] Avoid comparisons with None.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187919 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar 2013-08-07 21:43:23 +00:00
parent a1ba7527de
commit bd9bb2c515
1 changed files with 3 additions and 1 deletions
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4
utils/lit/lit/TestRunner.py
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@ -224,7 +224,9 @@ def executeShCmd(cmd, cfg, cwd, results):
results.append((cmd.commands[i], out, err, res))
if cmd.pipe_err:
# Python treats the exit code as a signed char.
if res < 0:
if exitCode is None:
exitCode = res
elif res < 0:
exitCode = min(exitCode, res)
else:
exitCode = max(exitCode, res)