libstdc++/10556: i386-*-* targets (which are really i686) running MT test case code are under half as fast as 3.2.3

[ljrittle@acm.org]

>Number:         10556
>Category:       libstdc++
>Synopsis:       i386-*-* targets (which are really i686) running MT test case code are under half as fast as 3.2.3
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Apr 29 22:16:01 UTC 2003
>Closed-Date:
>Last-Modified:
>Originator:     ljrittle@acm.org
>Release:        gcc-3.3 prerelease
>Organization:
>Environment:
After 3.2 branched a major bug was found and fixed for 3.3 that affected all pure i386 targets.  The impact of the bug fix affects all as-configured i386-*-* targets.
>Description:
See http://gcc.gnu.org/ml/libstdc++/2003-04/msg00539.html
for description, analysis and fix.
>How-To-Repeat:

>Fix:

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