[Bug libgcc/67379] libgcc2.c negation of -2147483648 cannot be represented in type 'int'

[zeccav at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67379

--- Comment #2 from Vittorio Zecca <zeccav at gmail dot com> ---
There is a similar bug in gcc/function.c:254

unsigned HOST_WIDE_INT size = FRAME_GROWS_DOWNWARD ? -offset : offset;

when offset == -9223372036854775808

Should I open a new bug?