Bug 52772 - [4.8 Regression] internal compiler error: Segmentation fault
Summary: [4.8 Regression] internal compiler error: Segmentation fault
Status: RESOLVED FIXED
Alias: None
Product: gcc
Classification: Unclassified
Component: c++ (show other bugs)
Version: 4.8.0
: P3 normal
Target Milestone: 4.8.0
Assignee: Richard Biener
URL:
Keywords:
: 52780 (view as bug list)
Depends on:
Blocks:
 
Reported: 2012-03-29 14:19 UTC by Mario Baumann
Modified: 2012-03-30 13:41 UTC (History)
2 users (show)

See Also:
Host:
Target:
Build:
Known to work:
Known to fail:
Last reconfirmed: 2012-03-29 00:00:00

Attachments
c++ source (603 bytes, text/x-c++src)
2012-03-29 14:19 UTC, Mario Baumann 		Details
View All Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Mario Baumann 2012-03-29 14:19:11 UTC 
Created attachment 27034 [details]
c++ source

Hi all,

compilation of attached c++ source file fails with

> g++ -m32 -O2 -c goo.cxx
goo.cxx: In member function 'int c8::tria(c7*, c5*)':
goo.cxx:81:1: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

-----------------------------------------------------------------------------
> uname -a
Linux ahsoka.intec.dom 2.6.32-220.7.1.el6.x86_64 #1 SMP Fri Feb 10 15:22:22 EST 2012 x86_64 x86_64 x86_64 GNU/Linux

> rpm -qa "glibc*" | grep -e 'glibc-[0-9]' | sort -u
glibc-2.12-1.47.el6_2.9.i686
glibc-2.12-1.47.el6_2.9.x86_64

> g++ -v
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/app2/gcc/4.8.0-20120329-svn185950/i686/libexec/gcc/i686-unknown-linux-gnu/4.8.0/lto-wrapper
Target: i686-unknown-linux-gnu
Configured with: ./configure --prefix=/app2/gcc/4.8.0-20120329-svn185950/i686 --enable-languages=c,c++,fortran --disable-nls --with-gmp=/app2/gcc/4.8.0-20120329-svn185950/i686/aux --with-mpfr=/app2/gcc/4.8.0-20120329-svn185950/i686/aux --with-mpc=/app2/gcc/4.8.0-20120329-svn185950/i686/aux --with-ppl=/app2/gcc/4.8.0-20120329-svn185950/i686/aux --with-cloog=/app2/gcc/4.8.0-20120329-svn185950/i686/aux --disable-multilib --build=i686-unknown-linux-gnu
Thread model: posix
gcc version 4.8.0 20120329 (experimental) (GCC) 

> ld -v
GNU ld (GNU Binutils) 2.22.52.20120329
Comment 1 Jakub Jelinek 2012-03-29 15:13:05 UTC 
Richard, this is yours (or at least
http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=185913
makes it no longer latent if it was latent before).
Comment 2 Richard Biener 2012-03-30 09:04:47 UTC 
Mine.
Comment 3 Richard Biener 2012-03-30 09:44:40 UTC 
*** Bug 52780 has been marked as a duplicate of this bug. ***
Comment 4 Richard Biener 2012-03-30 13:40:31 UTC 
Author: rguenth
Date: Fri Mar 30 13:40:17 2012
New Revision: 186011

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=186011
Log:
2012-03-30  Richard Guenther <rguenther@suse.de>

	PR middle-end/52772
	* except.c (emit_to_new_bb_before): Move loop updating ...
	(dw2_build_landing_pads): ... here.  Use a proper block for
	querying the loop father.

	* g++.dg/torture/pr52772.C: New testcase.

Added:
    trunk/gcc/testsuite/g++.dg/torture/pr52772.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/except.c
    trunk/gcc/testsuite/ChangeLog
Comment 5 Richard Biener 2012-03-30 13:41:41 UTC 
Fixed.