c++/8534: [mainline regression] When compiling qt contradicting aliasing class created for bitfield constructor

[Wolfgang Bangerth]

The following reply was made to PR c++/8534; it has been noted by GNATS.

From: Wolfgang Bangerth <bangerth@ticam.utexas.edu>
To: Jan Hubicka <jh@suse.cz>
Cc: gcc-gnats@gcc.gnu.org
Subject: Re: c++/8534: [mainline regression] When compiling qt contradicting
 aliasing class created for bitfield constructor
Date: Tue, 12 Nov 2002 09:53:43 -0600 (CST)

 > > > on other systems.  Perhaps you have disabled check?
 > > 
 > > No, I just looked it up, but I haven't.
 > > 
 > > I think I have to leave this to you then. Thanks for your cooperation 
 > > anyway!
 > OK, I will to analyze it bit more.
 > I am quite puzzled why it reproduces on x86_64 only as the code path is
 > quite generic.  Perhaps the wrong alias set leaks there from some
 > backend hook, but there are not many (only va_args fiddles aliasing as
 > far as I can remember)
 
 My machine is presently used up with different tasks, but if I find some 
 spare cycles this afternoon, I'll retry with a clean build of gcc
 (--enable-checking is the default on the main branch, right?).
 
 Cheers
   Wolfgang
 
 -------------------------------------------------------------------------
 Wolfgang Bangerth              email:           bangerth@ticam.utexas.edu
                                www: http://www.ticam.utexas.edu/~bangerth