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Dan Liew
74771a338c
[lit] Fix bug where `
lit.util.which()
` would return a directory
instead of executable if the argument was found inside a directory contained in PATH. An example where this could cause a problem is if there was a RUN line that ran the ``test`` command and if the user had a directory in their PATH that contained a directory called ``test/`` (that occured before ``/usr/bin/``). Lit would try to use the directory as the executable which would fail with the rather cryptic message. ``` Could not create process due to [Errno 13] Permission denied ``` git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@253031 91177308-0d34-0410-b5e6-96231b3b80d8
…
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