optimization/3438: 'g++ -O2' fails, throw/catch with objects of type 'char'

optimization/3438: 'g++ -O2' fails, throw/catch with objects of type 'char'

[Andreas.Krakowczyk]

>Number:         3438
>Category:       optimization
>Synopsis:       'g++ -O2' fails, throw/catch with objects of type 'char'
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Jun 27 06:36:02 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator:     Andreas Krakowczyk
>Release:        gcc-3.0
>Organization:
>Environment:
sparc-sun-solaris2.8
>Description:
Test fails if compiled with option '-O2' and objects of type
'char', 'unsigned char', 'short', 'unsigned short'.
It passes with lower opimization and/or objects of type 'int'.
>How-To-Repeat:
g++ -O2 bug9.c && ./a.out
   or
for i in int short ushort char uchar; \
do g++ -O2 -DOBJTYPE="$i" bug9.c && ./a.out; done
>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted:
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Re: optimization/3438: 'g++ -O2' fails, throw/catch with objects of type 'char'

[rodrigc]

The following reply was made to PR optimization/3438; it has been noted by GNATS.

From: rodrigc@gcc.gnu.org
To: Andreas.Krakowczyk@fujitsu-siemens.com,
  Joachim.Canisius@fujitsu-siemens.com, Erwin.Unruh@fujitsu-siemens.com,
  gcc-bugs@gcc.gnu.org, gcc-gnats@gcc.gnu.org, gcc-prs@gcc.gnu.org,
  nobody@gcc.gnu.org
Cc:  
Subject: Re: optimization/3438: 'g++ -O2' fails, throw/catch with objects of type 'char'
Date: 19 Nov 2001 04:05:06 -0000

 Synopsis: 'g++ -O2' fails, throw/catch with objects of type 'char'
 
 State-Changed-From-To: open->closed
 State-Changed-By: rodrigc
 State-Changed-When: Sun Nov 18 20:05:06 2001
 State-Changed-Why:
     Works for gcc 3.0.2
 
 http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=3438&database=gcc

Re: optimization/3438: 'g++ -O2' fails, throw/catch with objects of type 'char'

[rodrigc]

Synopsis: 'g++ -O2' fails, throw/catch with objects of type 'char'

State-Changed-From-To: open->closed
State-Changed-By: rodrigc
State-Changed-When: Sun Nov 18 20:05:06 2001
State-Changed-Why:
    Works for gcc 3.0.2

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=3438&database=gcc