https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67338
--- Comment #1 from Vittorio Zecca <zeccav at gmail dot com> --- Still in 7.0.1 ../../gcc-7-246252/gcc/fold-const.c:14253:11: runtime error: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself
