Bug 831550 - g++ 4.7 and armadilo 3.2.2: operator() is inaccessible
g++ 4.7 and armadilo 3.2.2: operator() is inaccessible
Product: Fedora
Classification: Fedora
Component: gcc (Show other bugs)
x86_64 Linux
unspecified Severity medium
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Assigned To: Jakub Jelinek
Fedora Extras Quality Assurance
: 831548 (view as bug list)
Depends On:
  Show dependency treegraph
Reported: 2012-06-13 05:42 EDT by C Sand
Modified: 2013-07-31 20:59 EDT (History)
2 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2013-07-31 20:59:21 EDT
Type: Bug
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)
arma.ii.gz (273.44 KB, application/x-gzip)
2012-06-13 05:42 EDT, C Sand
no flags Details

External Trackers
Tracker ID Priority Status Summary Last Updated
GNU Compiler Collection 53549 None None None Never

  None (edit)
Description C Sand 2012-06-13 05:42:10 EDT
Created attachment 591420 [details]

Description of problem:
g++ refuses to compile seemingly valid C++ code from Armadillo library

Version-Release number of selected component (if applicable):
gcc version 4.7.0 20120507 (Red Hat 4.7.0-5)

How reproducible:
use g++ to compile code using "ivec3" class from Armadillo

Steps to Reproduce:
1. install Armadillo 3.2.2 from http://arma.sourceforge.net/download.html
2. try to compile code using "ivec3" class from Armadillo
3. look bewildered

Actual results:
refuses to compile, stating that various forms of operator() are inaccessible.

Expected results:
should compile; known to compile with gcc 4.4.6 (RHEL 6.2).
also known to compile with clang 3.0

Additional info:
See attached file, "arma.ii.gz", generated using
g++ -v -save-temps -O2 -o arma arma.cpp

Upstream GCC bug:

Code that fails to compile:

#include <iostream>
#include "armadillo"

using namespace arma;
using namespace std;

int main(int argc, char** argv)
  cout << "Armadillo version: " << arma_version::as_string() << endl;
  ivec3 x;
  return 0;
Comment 1 C Sand 2012-06-13 05:45:48 EDT
*** Bug 831548 has been marked as a duplicate of this bug. ***
Comment 2 Fedora End Of Life 2013-07-03 18:49:40 EDT
This message is a reminder that Fedora 17 is nearing its end of life.
Approximately 4 (four) weeks from now Fedora will stop maintaining
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Comment 3 Fedora End Of Life 2013-07-31 20:59:25 EDT
Fedora 17 changed to end-of-life (EOL) status on 2013-07-30. Fedora 17 is 
no longer maintained, which means that it will not receive any further 
security or bug fix updates. As a result we are closing this bug.

If you can reproduce this bug against a currently maintained version of 
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