[Bug c++/114753] from_chars aborts with -m32 -ftrapv when passed -9223372036854775808

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114753

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2024-04-17
             Status|UNCONFIRMED                 |NEW

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
The abort happens here:

                  if (__builtin_mul_overflow(__val, __sign, &__tmp))

With __val = 9223372036854775808LL __sign = -1LL

The libgcc2.c:__mulvdi3 function reaches the abort() on line 375