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toolchain/47051: gcc-4.5.4 breaks opencv on amd64

>Number:         47051
>Category:       toolchain
>Synopsis:       gcc-4.5.4 breaks opencv on amd64
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    toolchain-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Oct 09 14:45:01 +0000 2012
>Originator:     Thomas Klausner
>Release:        NetBSD 6.99.12
Curiosity is the very basis of education and if you tell me that 
curiosity killed the cat, I say only that the cat died nobly.
- Arnold Edinborough
System: NetBSD 6.99.12 NetBSD 6.99.12 (YT) #25: Fri Oct 5 22:06:30 
CEST 2012 amd64
Architecture: x86_64
Machine: amd64
Since the update of the gcc included in NetBSD to 4.5.4, graphics/opencv does 
build on amd64 any longer. It still builds on i386, as msaitoh found out.

cd /usr/pkgsrc/graphics/opencv
Building CXX object 
In member function 'virtual void cv::StereoSGBM::operator()(const 
cv::_InputArray&, const cv::_InputArray&, const cv::_OutputArray&)':
 internal compiler error: in build_polynomial_chrec, at tree-chrec.h:143
Please submit a full bug report,
with preprocessed source if appropriate.
See  for instructions.
gmake[2]: *** 
[modules/calib3d/CMakeFiles/opencv_calib3d.dir/src/stereosgbm.cpp.o] Error 1

It built with 4.5.3whatever we had before, so worst-case, downgrading
would be an option.


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