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RE: [22.1.90]: Point before start of properties
From: |
Marshall, Simon |
Subject: |
RE: [22.1.90]: Point before start of properties |
Date: |
Tue, 12 Feb 2008 17:52:19 -0000 |
> > (gdb) b intervals.c:794
> > Breakpoint 1 at 0x195d90: file intervals.c, line 794.
> > (gdb) r -Q
> >
> > Then in emacs do C-x C-f ~/.../src/intervals.c RET and bang:
> >
> > Breakpoint 1, update_interval (i=0x8b1af4, pos=1771) at
intervals.c:794
> > 794 error ("Point before start of properties");
> > (gdb)
>
> I can't reproduce this. It might be a Sparc-only issue; does it
> happen to you on other platforms?
Hmm. You're right, I can't reproduce it on RHEL-5 with its gcc-4.1.2,
even when I disable as much as I can to make it like a configuration
that I know fails on solaris (--with-x-toolkit=lucid --without-xaw3d
--without-xpm --without-jpeg --without-tiff --without-gif --without-png
--without-toolkit-scroll-bars)
On solaris:
I can reproduce it (ie, it breaks on the call to error as above) with
lucid and motif scrollbars (tried with gcc-4.1.2)
I can reproduce it with gcc-4.1.2 (-g and -g -O2) and gcc-4.2.3 (-g -O
and -g -O2).
I cannot reproduce it with gcc-4.2.3 (-g) and CC-5.7 (-g).
It suggests that it might be a gcc optimisation bug, but any idea as to
why it should be solaris-specific? Any ideas as to how to investigate
this?
I tried #undefing GNU_MALLOC and/or HAVE_ALLOCA, but I can still
reproduce it.
Simon.
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- [22.1.90]: Point before start of properties, Marshall, Simon, 2008/02/08
- Re: [22.1.90]: Point before start of properties, Stefan Monnier, 2008/02/09
- Re: [22.1.90]: Point before start of properties, Chong Yidong, 2008/02/10
- RE: [22.1.90]: Point before start of properties,
Marshall, Simon <=
- Re: [22.1.90]: Point before start of properties, Stefan Monnier, 2008/02/12
- RE: [22.1.90]: Point before start of properties, Marshall, Simon, 2008/02/13
- Re: [22.1.90]: Point before start of properties, Stefan Monnier, 2008/02/18
- RE: [22.1.90]: Point before start of properties, Marshall, Simon, 2008/02/19
- Re: [22.1.90]: Point before start of properties, Stefan Monnier, 2008/02/19
- RE: [22.1.90]: Point before start of properties, Marshall, Simon, 2008/02/19
- Re: [22.1.90]: Point before start of properties, David Kastrup, 2008/02/19
- RE: [22.1.90]: Point before start of properties, Marshall, Simon, 2008/02/20
- Re: [22.1.90]: Point before start of properties, Stefan Monnier, 2008/02/19
- RE: [22.1.90]: Point before start of properties, Marshall, Simon, 2008/02/20