http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52240
Bug #: 52240
Summary: Using -fopenmp compile some No-OpenMP program, running
will receive signal SIGSEGV
Classification: Unclassified
Product: gcc
Version: 4.6.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libgomp
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: xunxun1...@gmail.com
Host: linux, mingw
Target: linux, mingw
Created attachment 26656
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26656
Using -fopenmp to build this No-OpenMP program
I use -fopenmp to build the test.f90 using gcc 4.6.2
please note: the code is not an OpenMP program
gfortran -O3 -g -fopenmp test.f90 -o test
test running will receive signal SIGSEGV, Linux or mingw toolchains all have
the problem.
Linux gdb log:
----------------------------------------------------------------------------
GNU gdb (Ubuntu/Linaro 7.3-0ubuntu2) 7.3-2011.08
Copyright (C) 2011 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://bugs.launchpad.net/gdb-linaro/>...
Reading symbols from /mycode/a.out...done.
(gdb) run
Starting program: /mycode/a.out
Program received signal SIGSEGV, Segmentation fault.
MAIN__ () at test.f90:6
6 CALL RANDOM_SEED()
(gdb) bt
#0 MAIN__ () at test.f90:6
----------------------------------------------------------------------------
mingw gdb log:
----------------------------------------------------------------------------
GNU gdb (GDB) 7.3
Copyright (C) 2011 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "mingw32".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from e:\t\test\a.exe...done.
(gdb) run
Starting program: e:\t\test\a.exe
[New Thread 3364.0x8ac]
Program received signal SIGSEGV, Segmentation fault.
0x0042d223 in __chkstk_ms ()
(gdb) bt
#0 0x0042d223 in __chkstk_ms ()
#1 0x0040166d in MAIN__ () at test.f90:1
----------------------------------------------------------------------------
