Re: c++/6396: 3.1 flow.c 583 ICE with -frename-registers

[George Garvey <tmwg@inxservices.com>]

The following reply was made to PR c++/6396; it has been noted by GNATS.

From: George Garvey <tmwg@inxservices.com>
To: jakub@gcc.gnu.org, gcc-bugs@gcc.gnu.org, gcc-prs@gcc.gnu.org,
  nobody@gcc.gnu.org, gcc-gnats@gcc.gnu.org
Cc:  
Subject: Re: c++/6396: 3.1 flow.c 583 ICE with -frename-registers
Date: Thu, 25 Apr 2002 10:26:15 -0700

    You are right. I messed something up in the makefile, and added -O0
 by mistake after -O2 et al. I just verified that removing the -O0 and only
 using -O2 and the other options does not get an ICE, the file compiles
 successfully.
 
 On Thu, Apr 25, 2002 at 04:35:08PM -0000, jakub@gcc.gnu.org wrote:
 > Synopsis: 3.1 flow.c 583 ICE with -frename-registers
 > 
 > State-Changed-From-To: open->analyzed
 > State-Changed-By: jakub
 > State-Changed-When: Thu Apr 25 09:35:06 2002
 > State-Changed-Why:
 >     Using -frename-registers at -O0 is a bad idea.
 >     I've just submitted a patch which does register renaming
 >     only when optimizing.
 > 
 > http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=6396