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From: "mattipee at yahoo dot co.uk" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/53026] New: segfault in pt.c: lookup_template_class
Date: Wed, 18 Apr 2012 00:10:00 -0000 [thread overview]
Message-ID: <bug-53026-4@http.gcc.gnu.org/bugzilla/> (raw)
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53026
Bug #: 53026
Summary: segfault in pt.c: lookup_template_class
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: mattipee@yahoo.co.uk
HEADLINE: pt.c:7595 - "Address 0x3 is not stack'd, malloc'd..."
user@host:~$ g++ -v
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/i686-pc-linux-gnu/4.8.0/lto-wrapper
Target: i686-pc-linux-gnu
Configured with: ../gcc-svn/configure : (reconfigured) ../gcc-svn/configure :
(reconfigured) ../gcc-svn/configure
--enable-languages=c,c++,fortran,java,lto,objc --no-create --no-recursion :
(reconfigured) ../gcc-svn/configure --enable-languages=c++ : (reconfigured)
../gcc-svn/configure --enable-languages=c,c++,lto --no-create --no-recursion :
(reconfigured) ../gcc-svn/configure --enable-languages=c,c++,lto --no-create
--no-recursion : (reconfigured) ../gcc-svn/configure
--enable-languages=c,c++,lto --no-create --no-recursion
Thread model: posix
gcc version 4.8.0 20120417 (experimental) (GCC)
(built, I believe, at revision 186523)
It would take some effort to construct minimal code to reproduce this segfault,
but the following details are available now...
user@host:~$ valgrind /path/to/cc1plus -std=c++11 -O2 -g0 -Wall ...
...
==18469== at 0x81915D1: lookup_template_class(tree_node*, tree_node*,
tree_node*, tree_node*, int, int) (pt.c:7595)
==18469== by 0x8194504: tsubst_aggr_type(tree_node*, tree_node*, int,
tree_node*, int) (pt.c:9876)
==18469== by 0x819FB2A: tsubst(tree_node*, tree_node*, int, tree_node*)
(pt.c:11662)
==18469== by 0x81B1E1E: tsubst_arg_types(tree_node*, tree_node*, int,
tree_node*) (pt.c:10844)
==18469== by 0x81B1D04: tsubst_arg_types(tree_node*, tree_node*, int,
tree_node*) (pt.c:10814)
==18469== by 0x81B219A: tsubst_function_type(tree_node*, tree_node*, int,
tree_node*) (pt.c:10940)
==18469== by 0x819F676: tsubst(tree_node*, tree_node*, int, tree_node*)
(pt.c:11599)
==18469== by 0x81A862D: tsubst_decl(tree_node*, tree_node*, int)
(pt.c:10247)
==18469== by 0x81A01E4: tsubst(tree_node*, tree_node*, int, tree_node*)
(pt.c:11111)
==18469== by 0x81AA6B4: tsubst_decl(tree_node*, tree_node*, int)
(pt.c:10094)
==18469== by 0x81A01E4: tsubst(tree_node*, tree_node*, int, tree_node*)
(pt.c:11111)
==18469== by 0x81D087F: instantiate_class_template(tree_node*) (pt.c:8935)
==18469== Address 0x3 is not stack'd, malloc'd or (recently) free'd
==18469==
next reply other threads:[~2012-04-18 0:10 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-18 0:10 mattipee at yahoo dot co.uk [this message]
2012-04-18 1:56 ` [Bug c++/53026] " paolo.carlini at oracle dot com
2012-04-18 9:33 ` mattipee at yahoo dot co.uk
2012-04-18 9:41 ` [Bug c++/53026] ICE with alias-declarations paolo.carlini at oracle dot com
2012-06-23 18:41 ` kennytm at gmail dot com
2012-12-05 13:05 ` paolo.carlini at oracle dot com
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