Re: Emacs crashes, 07nov16

["Jan Djärv" <jan.h.d@swipnet.se>]

Robert J. Chassell skrev:
> As I now expect, GNU Emacs crashes when I try to insert a Euro sign.
> Here are two debugging sessions, with misc-fixed-medium 20 point
> fonts, one ISO8859 and the other ISO10646, both with
> 
>     bt full
>     p *s
>     p *s->font
>     p *s->font_info
>     p s->char2b[0]
>     l x_draw_glyph_string_foreground
> 
> 
> Of a previous effort, jan.h.d@swipnet.se wrote
> 
>     This does not look like -O0.  You should not have any <value
>     optimized out> in such a build.
> 
> Hmm ... I compiled in Emacs with
>  (compile "time CFLAGS='-g -O0 -Wno-pointer-sign' make bootstrap"))
> but maybe that was wrong.  (Should I have put the CFLAGS expression
> after the `make'?)  
> 
> In this case, after changing -O2 to -O0 in three makefiles, I
> evaluated:
> 
>  (compile "time make bootstrap")
> 
> Today's GNU Emacs CVS snapshot, Sat, 2007 Nov 24  11:43 UTC
> GNU Emacs 23.0.50.1 (i686-pc-linux-gnu, GTK+ Version 2.12.1)
> started in debugger 
> 
> 
> First, 
> 
>     set args -i -q \
>     --eval '(emacs-version t)' -bg DodgerBlue4 -fg white \
>     -fn '-Misc-Fixed-Medium-R-Normal--20-200-75-75-C-100-ISO8859-1' \
>     -geometry 80x44+545+43 -name '-q GNU Emacs in Debugger, font: fixed 20'
> 
> with the breakpoint at xterm.c:1374 
> and after I evaluated  (x-synchronize t)  in the debuggee
> 
> As expected, this instance of Emacs did not crash until I visited my
> test file, ~/foo.mail, which tried to insert a Euro sign.  Then:

I wonder if we are miscommunicating here.  Do you mean crash, as in abort or 
core dump?  Or do you just mean the breakpoint was hit?

	Jan D.