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Re: [patch] Fix SIGSEGV in gdb when printing ctor of non-virtual class

From: Aleksandar Ristovski <aristovski at qnx dot com>
To: Aleksandar Ristovski <aristovski at qnx dot com>
Cc: gdb-patches at sources dot redhat dot com
Date: Fri, 26 Sep 2008 13:31:54 -0400
Subject: Re: [patch] Fix SIGSEGV in gdb when printing ctor of non-virtual class
References: <ga6bmt$6li$1@ger.gmane.org>

Ping? Does this patch make any sense?

Aleksandar Ristovski wrote:

Hello,

I run into a SIGSEGV crash in gdb when printing value of a non-virtual class' constructor (I got this from IDE asking for a wrong value).

Example:

(gdb) print n.Name

where 'n' is an object of non-virtual class 'Name'.

The attached tests demonstrate the problem and propose a fix.

Thanks,
Aleksandar Ristovski
QNX Software Systems
ChangeLog:
    * value.c (value_fn_field): Do not dereference if block does not
    exist.
testsuite ChangeLog:
    * gdb.cp/cppeval.exp: New test.
    * gdb.cp/cppeval.cc: New test case to accompany cppeval.exp.

References:
- [patch] Fix SIGSEGV in gdb when printing ctor of non-virtual class
  - From: Aleksandar Ristovski

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