[Bug c/59891] [4.7/4.8/4.9 Regression] ICE on invalid code (with div-by-zero) at all optimization levels on x86_64-linux-gnu

[mpolacek at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59891

--- Comment #6 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Would it work if remove_c_maybe_const_expr stripped NOP_EXPRs first?