bug#46495: 28.0.50; [native-comp] Build fails for 32bit --with-wide-int

[Eli Zaretskii]

> Date: Fri, 26 Mar 2021 14:27:21 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: andrewjmoreton@gmail.com, 46495@debbugs.gnu.org
> 
> One issue left, which I'm pursuing locally, is the one with strange
> gaps in the C backtraces.  You can see the traces of that on the
> gdb-patches mailing list.

The GDB experts seem to indicate that the prologue of functions we
produce is different from the prologue normally produced by GCC from C
code on x86.  See

  https://sourceware.org/pipermail/gdb-patches/2021-March/177334.html

Is that possible? are we doing something that could affect the
prologue of the natively-compiled Lisp code?