Re: Bignum speedup patch causes crash at startup

[Eli Zaretskii]

> From: Paul Eggert <address@hidden>
> Date: Tue, 4 Sep 2018 13:48:10 -0700
> 
> >    CC       data.o
> > In file included from C:/emacs/git/emacs/master/src/data.c:31:
> > C:/emacs/git/emacs/master/src/data.c: In function 'arith_driver':
> > C:/emacs/git/emacs/master/src/lisp.h:2479:34: warning: 'accum' may be used 
> > uninitialized in this function [-Wmaybe-uninitialized]
> >     return FIXNUM_OVERFLOW_P (n) ? make_bigint (n) : make_fixnum (n);
> >                                    ^~~~~~~~~~~~~~~
> > C:/emacs/git/emacs/master/src/data.c:2962:12: note: 'accum' was declared 
> > here
> >     intmax_t accum = XFIXNUM (val);
> 
> GCC complains that 'accum' might be used uninitialized even though 'accum's 
> declaration has an initializer? Looks like a clear GCC bug, and might be 
> worth 
> reporting there.

Maybe it's because eassert can abort?