https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68737
--- Comment #5 from dave.anglin at bell dot net --- On 2018-09-03 12:03 PM, dave.anglin at bell dot net wrote: > (gdb) p/x __hi - __lo > $6 = 0xffffffffffffffff (gdb) frame 3 #3 std::num_put<char, std::ostreambuf_iterator<char, std::char_traits<char> > >::_M_insert_float<double> (this=0x800003fffdde37a0, __s=..., __io=..., __fill=43 '+', __mod=<optimized out>, __v=1) at /mnt/gnu/gcc/objdir/hppa64-hp-hpux11.11/libstdc++-v3/include/bits/locale_facets.tcc:1048 1048 __ctype.widen(__cs, __cs + __len, __ws); (gdb) p __len $9 = -1
