optimization/9015: bc segfaults when compiled with optimization

Wolfgang Bangerth bangerth@ticam.utexas.edu
Fri Jan 3 19:46:00 GMT 2003


The following reply was made to PR optimization/9015; it has been noted by GNATS.

From: Wolfgang Bangerth <bangerth@ticam.utexas.edu>
To: Patrick Smith <patsmith@pobox.com>
Cc: gcc-bugs@gcc.gnu.org, <gcc-gnats@gcc.gnu.org>
Subject: Re: optimization/9015: bc segfaults when compiled with optimization
Date: Fri, 3 Jan 2003 13:45:35 -0600 (CST)

 On Tue, 24 Dec 2002, Patrick Smith wrote:
 
 > Found it.
 > 
 > This turns out to be a bug in GNU bc.  As luck would have it, it only 
 > seems to cause damage when compiled with optimization on and a recent 
 > gcc.  :-(
 > 
 > Sorry to have bothered you.
 
 No need to apologize. Rather: Thanks for looking into this, as otherwise 
 one of us would have to do the work.
 
 
 > (In case you're interested... load_code saves data in a local variable 
 > on one call, and then tries to retrieve that data on a subsequent call.)
 
 I assume that the variable is not static, right?
 
 Regards
   Wolfgang
 
 PS: Don't forget to send a patch (or some other indication of the problem) 
 to the bc people.
 
 -------------------------------------------------------------------------
 Wolfgang Bangerth              email:           bangerth@ticam.utexas.edu
                                www: http://www.ticam.utexas.edu/~bangerth
 
 



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