[Bug c++/57897] Target x86_64-w64-mingw32 failed with '-mno-fentry isn't compatible with SEH'

[dongsheng.song at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57897

--- Comment #6 from Dongsheng Song <dongsheng.song at gmail dot com> ---
After revert r192062, I can build gcc smoothly.

$ svn log -r 192062
------------------------------------------------------------------------
r192062 | uros | 2012-10-04 13:53:22 +0800 (Thu, 04 Oct 2012) | 4 lines

        * configure.ac (noexception_flags): Add -fasynchronous-unwind-tables.
        * configure: Regenerate.
------------------------------------------------------------------------

2012-10-04  Uros Bizjak  <ubiz...@gmail.com>

        * configure.ac (noexception_flags): Add -fasynchronous-unwind-tables.
        * configure: Regenerate.