On Mon, Sep 05, 2016 at 05:45:02PM +0200, Johannes Schindelin wrote: > Typically, on Linux the test passes. On Windows, it fails virtually > every time due to an access violation (that's a segmentation fault for > you Unix-y people out there). And Windows would be correct: the > regexec() call wants to operate on a regular, NUL-terminated string, > there is no NUL in the mmap()ed memory range, and it is undefined > whether the next byte is even legal to access. > > When run with --valgrind it demonstrates quite clearly the breakage, of > course. > > So we simply mark it with `test_expect_success` for now. I'd prefer if this were marked as expect_failure. It fails reliably for me on Linux, even without --valgrind. But even if that were not so, there is no reason to hurt bisectability of somebody running with "--valgrind" (not when it costs so little to mark it correctly). -Peff