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c++/1251: GDB crash

From: adarovsky at mail dot ru
To: gdb-gnats at sources dot redhat dot com
Date: 23 Jun 2003 04:21:20 -0000
Subject: c++/1251: GDB crash
Reply-to: adarovsky at mail dot ru

>Number:         1251
>Category:       c++
>Synopsis:       GDB crash
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Jun 23 04:28:00 UTC 2003
>Closed-Date:
>Last-Modified:
>Originator:     Alexander Darovsky
>Release:        latest cvs
>Organization:
>Environment:
linux i686
>Description:
In gnu-v3-abi.c:417 sanity measure crashes gdb when
TYPE_VPTR_FIELDNO (vbasetype) returns -1.
It happens sometimes in the big project, so I cannot give you a source.
But if I comment lines conserning this check, everything works ok...

P.S. What -1 means? Is it a C++ ABI bug?
>How-To-Repeat:

>Fix:

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

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