[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

[joseph at codesourcery dot com]

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

--- Comment #8 from joseph at codesourcery dot com <joseph at codesourcery dot 
com> ---
I guess that means re-folding is the simplest thing to do (in this 
int_operands case where an operand might have a C_MAYBE_CONST_EXPR not at 
top level), instead of using remove_c_maybe_const_expr.