Don't print "Command output (stdout):" when the command has no output,
authorDan Gohman <gohman@apple.com>
Wed, 4 Aug 2010 00:05:16 +0000 (00:05 +0000)
committerDan Gohman <gohman@apple.com>
Wed, 4 Aug 2010 00:05:16 +0000 (00:05 +0000)
commit8a7ffe651f706a6819e94e6a99bbb2c1bb1d4391
tree3706badff2fe686e2868c5c5a3025ebeb5b2d9e6
parente1390c40a6135b5caa4b0f6db1c3375dcffd4d05
Don't print "Command output (stdout):" when the command has no output,
and same for stderr, to avoid clutter in the output.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110169 91177308-0d34-0410-b5e6-96231b3b80d8
utils/lit/lit/TestRunner.py