[Bug c++/84942] [6/7/8 Regression] internal compiler error: in fold_convert_const_int_from_real, at fold-const.c:2011

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84942

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 43700
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43700&action=edit
gcc8-pr84942.patch

Full untested patch.