[Bug c++/83756] gcc (mingw64) 7.2.0 ICE in gimplify_expr on boost::call_once

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83756

--- Comment #9 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #8)
> This is a pointer to member function with -fms-extensions issue.
> 
> I am reducing, the ICE can still be seen on the trunk.

I should mention I was able to reproduce the failure on x86_64-linux even
though the testcase needed some changes to get the failure there.