When executing commands as part of the test framework, if a command fails due to a signal (coredump, etc), output the stdout and stderr before raising the exception, to aid debugging.
When executing commands as part of the test framework, if a command
fails due to a signal (coredump, etc), output the stdout and stderr
before raising the exception, to aid debugging.

* subversion/tests/cmdline/svntest/main.py
  (run_command_stdin): Write stdout_lines and stderr_lines to stdout
    and stderr before raising an exception.

Suggested by: madanus
              kameshj
Patch by: djames


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@863021 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion