GNU bug report logs - #7952
24.0.50; crash in find_interval

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From: Andreas Schwab <schwab <at> linux-m68k.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: Romain Francoise <romain <at> orebokech.com>, 7952 <at> debbugs.gnu.org
Subject: bug#7952: 24.0.50; crash in find_interval
Date: Sat, 19 Mar 2011 13:14:48 +0100

Eli Zaretskii <eliz <at> gnu.org> writes:

> There's nothing in this code that modifies `tree' in any way.  (I even
> disassembled the code to make sure.)  So how come a non-NULL value
> becomes NULL here?

It isn't, otherwise you would get a crash.

> Since this value is passed in a register by the caller and kept in a
> register from the very beginning of the function, not even some
> missing GCPRO somewhere could explain this.  What am I missing?

Probably your toolchain is too old to be able to produce complete unwind
information.  Try setting a breakpoint at the abort line to get a better
picture.

Andreas.

-- 
Andreas Schwab, schwab <at> linux-m68k.org
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