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Re: (select-window nil) crash with gcc-8.2.0
From: |
Eli Zaretskii |
Subject: |
Re: (select-window nil) crash with gcc-8.2.0 |
Date: |
Sun, 07 Apr 2019 21:38:07 +0300 |
> From: Paul Eggert <address@hidden>
> Date: Sun, 7 Apr 2019 11:33:22 -0700
> Cc: address@hidden
>
> and that last movq dereferences the window pointer in %rbx before the result
> of
> WINDOWP is checked to verify that the argument (originally in %rdi, now in
> %rbx)
> is indeed a window.
>
> Could you file a GCC bug report for this? And in the meantime, I wouldn't use
> -Os.
Thanks. So just -O2 produces correct code? Because I think GCC 8 is
quite popular, and the default build uses -O2. If -O2 is prone to
something similar, maybe we should make some changes in the code to
avoid that.
- (select-window nil) crash with gcc-8.2.0, Madhu, 2019/04/06
- Re: (select-window nil) crash with gcc-8.2.0, Eli Zaretskii, 2019/04/06
- Re: (select-window nil) crash with gcc-8.2.0, Madhu, 2019/04/07
- Re: (select-window nil) crash with gcc-8.2.0, Paul Eggert, 2019/04/07
- Re: (select-window nil) crash with gcc-8.2.0,
Eli Zaretskii <=
- Re: (select-window nil) crash with gcc-8.2.0, Paul Eggert, 2019/04/07
- Re: (select-window nil) crash with gcc-8.2.0, Richard Stallman, 2019/04/08
- Re: (select-window nil) crash with gcc-8.2.0, Paul Eggert, 2019/04/09
- Re: (select-window nil) crash with gcc-8.2.0, Richard Stallman, 2019/04/09
- Re: (select-window nil) crash with gcc-8.2.0, Paul Eggert, 2019/04/09
- Re: (select-window nil) crash with gcc-8.2.0, Paul Eggert, 2019/04/11