https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101953
--- Comment #11 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Andrew Pinski from comment #10) > 6.3.1.4 Real floating and integer > 1 When a finite value of real floating type is converted to an integer type > other than _Bool, > the fractional part is discarded (i.e., the value is truncated toward zero). > If the value of > the integral part cannot be represented by the integer type, the behavior is > undefined.61) http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1548.pdf :).
