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[Bug fortran/16487] gfortran core dump on big array
- From: "tobi at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 12 Jul 2004 15:14:54 -0000
- Subject: [Bug fortran/16487] gfortran core dump on big array
- References: <20040712021729.16487.olchansk@panix.com>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From tobi at gcc dot gnu dot org 2004-07-12 15:14 -------
Cores with -O2.
[tobi@marktplatz tests]$ ~/src/gcc/build-clean/gcc/f951 pr16487.f90
Execution times (seconds)
parser : 0.10 (37%) usr 0.04 (80%) sys 0.21 (22%) wall
varconst : 0.14 (52%) usr 0.00 ( 0%) sys 0.18 (19%) wall
TOTAL : 0.27 0.05 0.96
Extra diagnostic checks enabled; compiler may run slowly.
Configure with --disable-checking to disable checks.
[tobi@marktplatz tests]$ ~/src/gcc/build-clean/gcc/f951 pr16487.f90 -O2
Analyzing compilation unit
{GC 7008k -> Segmentation fault
[tobi@marktplatz tests]$
This is indeed a stack size issue:
[tobi@marktplatz tests]$ ulimit -s 12000
[tobi@marktplatz tests]$ ~/src/gcc/build-clean/gcc/f951 pr16487.f90 -O2
Analyzing compilation unit
{GC 7008k -> 6934k}Performing intraprocedural optimizations
Assembling functions:
Execution times (seconds)
garbage collection : 0.22 (44%) usr 0.04 (57%) sys 0.32 (46%) wall
parser : 0.25 (50%) usr 0.03 (43%) sys 0.27 (39%) wall
symout : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 6%) wall
TOTAL : 0.50 0.07 0.69
Extra diagnostic checks enabled; compiler may run slowly.
Configure with --disable-checking to disable checks.
[tobi@marktplatz tests]$ ulimit -s 10000
[tobi@marktplatz tests]$ ~/src/gcc/build-clean/gcc/f951 pr16487.f90 -O2
Analyzing compilation unit
{GC 7008k -> Segmentation fault
[tobi@marktplatz tests]$
--
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |NEW
Ever Confirmed| |1
Last reconfirmed|0000-00-00 00:00:00 |2004-07-12 15:14:51
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16487