[PATCH] D53175: [dotest] Make a missing FileCheck binary a warning, not an error

[Vedant Kumar via llvm-commits]

> On Oct 12, 2018, at 12:52 PM, Stella Stamenova via Phabricator <reviews at reviews.llvm.org> wrote:
> 
> stella.stamenova added a comment.
> 
> The bots are now failing because lexists doesn't handle NoneType correctly:
> 
>    File "/lldb-buildbot/lldbSlave/buildWorkingDir/llvm/tools/lldb/packages/Python/lldbsuite/test/configuration.py", line 191, in get_filecheck_path
>      if os.path.lexists(filecheck):
>    File "/lldb-buildbot/virenv/lib/python2.7/posixpath.py", line 152, in lexists
>      os.lstat(path)
>  TypeError: coercing to Unicode: need string or buffer, NoneType found
> 
> I think get_filecheck_path should check if filecheck is set first before calling lexists:
> 
>  if filecheck and os.path.lexists(filecheck):
>          return filecheck

That sounds right. Would you mind committing the fix?

vedant

> 
> 
> Repository:
>  rL LLVM
> 
> https://reviews.llvm.org/D53175
> 
> 
>