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
This is needed by TestCases/Posix/coverage-direct.cc The problem is that the test does: mkdir <dir> cd <dir> cd .. rm -rf <dir> <more commands> the current directory currently looks like "/.../<dir>/../" which doesn't exist when dir is deleted. at some point we should probably switch to using the os current directory (specially if we want to add subshell), but this is a small incremental improvement. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@299113 91177308-0d34-0410-b5e6-96231b3b80d8