c++/7280: NRV related miscompilation

[jakub@redhat.com]

>Number:         7280
>Category:       c++
>Synopsis:       NRV related miscompilation
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          wrong-code
>Submitter-Id:   net
>Arrival-Date:   Thu Jul 11 14:06:01 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator:     jakub@redhat.com
>Release:        3.1.1 20020710 (prerelease)
>Organization:
>Environment:
i386-redhat-linux
>Description:
See http://gcc.gnu.org/ml/gcc-patches/2002-07/msg00502.html
for details and testcase. Regression from 3.0.
>How-To-Repeat:

>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: