From: Chong Yidong <cyd@stupidchicken.com>
To: "Juanma Barranquero" <lekktu@gmail.com>
Cc: Emacs Devel <emacs-devel@gnu.org>
Subject: Re: Crashes on draw_glyphs
Date: Tue, 04 Nov 2008 12:06:51 -0500 [thread overview]
Message-ID: <87bpwvfmj8.fsf@cyd.mit.edu> (raw)
In-Reply-To: <f7ccd24b0811040857p1bb28338p59ba6658359c8b44@mail.gmail.com> (Juanma Barranquero's message of "Tue, 4 Nov 2008 17:57:21 +0100")
"Juanma Barranquero" <lekktu@gmail.com> writes:
> The underling bug that causes #872/#1179 is really getting annoying.
>
> Apparently I'm the only one suffering it (perhaps I'm the only one
> compiling Emacs on Windows with GCC 4.3.0), and I've been
> unsuccessfully trying to debug it for weeks. Unfortunately, as soon as
> I even add an assertion, the crash point moves. It seems like the
> thing to do is to run draw_glyphs step-by-step, but with the macros
> and all that it is quite difficult, not to mention that I know very
> little about the redisplay code and that the bug is much harder to
> catch when I compile a non-optimized build.
>
> Any help, pointer, idea, or mojo will be deeply appretiated.
Is it only the composition glyph part of the 2008-04-09 change to
w32term.c that causes the crash? For instance, what happens if you
comment out the "else if (s->cmp) ..." part in
w32_compute_glyph_string_overhangs?
next prev parent reply other threads:[~2008-11-04 17:06 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-04 16:57 Crashes on draw_glyphs Juanma Barranquero
2008-11-04 17:06 ` Chong Yidong [this message]
2008-11-04 17:24 ` Juanma Barranquero
2008-11-13 15:38 ` Chong Yidong
2008-11-13 16:03 ` Juanma Barranquero
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