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Bug 452972 - Internal compiler error with G++. OpenMP and GSL RNG
Summary: Internal compiler error with G++. OpenMP and GSL RNG
Alias: None
Product: Red Hat Enterprise Linux 5
Classification: Red Hat
Component: gcc
Version: 5.2
Hardware: i686
OS: Linux
Target Milestone: rc
: ---
Assignee: Jakub Jelinek
QA Contact:
Depends On:
TreeView+ depends on / blocked
Reported: 2008-06-26 11:29 UTC by torquil
Modified: 2009-01-20 21:25 UTC (History)
1 user (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Last Closed: 2009-01-20 21:25:08 UTC

Attachments (Terms of Use)
Preprocessed test case (deleted)
2008-06-26 11:57 UTC, torquil
no flags Details

System ID Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2009:0157 normal SHIPPED_LIVE gcc bug-fix update 2009-01-20 16:05:12 UTC
GNU Compiler Collection 36237 None None None Never

Description torquil 2008-06-26 11:29:02 UTC
From Bugzilla Helper:
User-Agent: Mozilla/5.0 (compatible; Konqueror/3.5; Linux) KHTML/3.5.4 (like Gecko)

Description of problem:
I have a simple C++ test program using OpenMP, GSL and Blitz that gives an 
internal compiler error. The error message said that I should report it here.

I have installed a self-compiled GSL in my home folder. Maybe you guys can 
test with a standard GSL/Blitz++ if that comes precompiled with RHEL5.2.

Here is the simple test program openmp_gsl_rng.cpp:

#include <blitz/array.h>
#include <gsl/gsl_rng.h>

using namespace std; using namespace blitz;

Array<double,1> R(2);

int main()
#pragma omp parallel private(R)
		const gsl_rng* r = gsl_rng_alloc(gsl_rng_mt19937);

	return 0;

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. I try to compile with:
$ g++  
openmp_gsl_rng.cpp -I/mn/anatu/cma-u3/tmac/usr/include -L/mn/anatu/cma-u3/tmac/usr/lib -lgsl -lgslcblas -fopenmp

Actual Results:
I get the following error message:

openmp_gsl_rng.cpp: In function 'int main()':
openmp_gsl_rng.cpp:0: internal compiler error: in lower_stmt, at 

Expected Results:

Additional info:
If I don't try to make the variable R private, then it compiles without 

Software versions:
GSL v1.9
Blitz++ v0.9

Comment 1 Jakub Jelinek 2008-06-26 11:50:52 UTC
Please attach preprocessed testcase.  I.e. run
g++ -E openmp_gsl_rng.cpp -I/mn/anatu/cma-u3/tmac/usr/include
-L/mn/anatu/cma-u3/tmac/usr/lib -fopenmp -o openmp_gsl_rng.ii
and attach the *.ii file.  Thanks.

Comment 2 torquil 2008-06-26 11:57:50 UTC
Created attachment 310323 [details]
Preprocessed test case

This is the output that was automatically produced by g++, and stored by it in
the file /tmp/ccWuAWvr.out.

Comment 3 Jakub Jelinek 2008-06-27 16:23:36 UTC
This is upstream PR36237, fixed last month.

Comment 4 RHEL Product and Program Management 2008-06-27 16:32:48 UTC
This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux maintenance release.  Product Management has requested
further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed
products.  This request is not yet committed for inclusion in an Update

Comment 11 errata-xmlrpc 2009-01-20 21:25:08 UTC
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

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