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lldbtest.py: try to fix a runtime exception 

found on http://green.lab.llvm.org/green/view/LLDB/job/lldb-cmake-matrix/32/consoleFull#15046896708254eaf0-7326-4999-85b0-388101f2d404

llvm-svn: 350876
This commit is contained in:
Adrian Prantl 2019-01-10 19:06:46 +00:00
parent 844f989608
commit 5ea5231bec
1 changed files with 7 additions and 4 deletions
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11
lldb/packages/Python/lldbsuite/test/lldbtest.py
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@ -1219,12 +1219,15 @@ class Base(unittest2.TestCase):
if os.path.isfile(src):
dst = src.replace(self.log_basename, dst_log_basename)
if os.name == "nt" and os.path.isfile(dst):
# On Windows, renaming a -> b will throw an exception if b exists. On non-Windows platforms
# it silently replaces the destination. Ultimately this means that atomic renames are not
# guaranteed to be possible on Windows, but we need this to work anyway, so just remove the
# destination first if it already exists.
# On Windows, renaming a -> b will throw an exception if
# b exists. On non-Windows platforms it silently
# replaces the destination. Ultimately this means that
# atomic renames are not guaranteed to be possible on
# Windows, but we need this to work anyway, so just
# remove the destination first if it already exists.
remove_file(dst)
lldbutil.mkdir_p(os.path.dirname(dst))
os.rename(src, dst)
else:
# success! (and we don't want log files) delete log files