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Bug#: 8645
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Status: RESOLVED
Resolution: FIXED
Assigned To: Paolo Carlini <paolo.carlini@oracle.com>
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Reporter: erseklaszlo@chello.hu
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Description:   Last confirmed: Opened: 2002-11-19 12:36 
This is not a bug, just two (I think) unnecessary non-0 checks in
"g++-v3/bits/stl_tree.h", at lines 416 and 445. At these places, "__w->_M_left"
and "__w->_M_right" can't be 0. (They are valid and red, which follows from
lines 406-409, 414-415 and 435-438, 443-444).

Release:
3.0.2

------- Comment #1 From Paolo Carlini 2002-11-22 05:11 ------- 
State-Changed-From-To: open->feedback
State-Changed-Why: Are yor willing to prepare and, possibly, test a patch against
    the current mainline library or that released with 3.2.1?
    Thanks, Paolo.

------- Comment #2 From Paolo Carlini 2002-11-22 05:43 ------- 
Responsible-Changed-From-To: unassigned->paolo
Responsible-Changed-Why: Analysed.

------- Comment #3 From Paolo Carlini 2002-11-22 10:57 ------- 
State-Changed-From-To: feedback->closed
State-Changed-Why: Fixed with:
    http://gcc.gnu.org/ml/libstdc++/2002-11/msg00244.html

------- Comment #4 From Paolo Carlini 2002-11-22 18:53 ------- 
From: paolo@gcc.gnu.org
To: gcc-gnats@gcc.gnu.org
Cc:  
Subject: libstdc++/8645
Date: 22 Nov 2002 18:53:54 -0000

 CVSROOT:	/cvs/gcc
 Module name:	gcc
 Changes by:	paolo@gcc.gnu.org	2002-11-22 10:53:54
 
 Modified files:
 	libstdc++-v3   : ChangeLog 
 	libstdc++-v3/include/bits: stl_tree.h 
 
 Log message:
 	2002-11-22  Laszlo Ersek  <erseklaszlo@chello.hu>
 	Paolo Carlini  <pcarlini@unitus.it>
 	
 	PR libstdc++/8645
 	* include/bits/stl_tree.h (_Rb_tree_rebalance_for_erase):
 	Don't check that __w->_M_left != 0 and __w->_M_right != 0
 	when they can't be otherwise.
 
 Patches:
 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libstdc++-v3/ChangeLog.diff?cvsroot=gcc&r1=1.1445&r2=1.1446
 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libstdc++-v3/include/bits/stl_tree.h.diff?cvsroot=gcc&r1=1.16&r2=1.17
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