[ITK Community] [Insight-developers] GCC 4.8.2 compiler warning

[Johnson, Hans J]

Thanks Brad.


I too am beginning to think this compiler warnings are incorrect.

Hans


On 11/27/13, 6:31 AM, "Bradley Lowekamp" <blowekamp at mail.nih.gov> wrote:

>Hans,
>
>I have looked into this issue a couple times. It shows up on the Debian
>sid (unstable) nightly build:
>http://open.cdash.org/viewBuildError.php?type=1&buildid=3116766
>
>The code in the ImageAlgorithm looks correct and no other system has
>issues. Even VS debug which adds buffer over run check is OK.
>
>Given that the error does not include line number, I figured it's deep in
>the optimization phases of the compiler. I think the issue is with the
>compiler.
>
>That being said, you might be able to move a couple lines and statements
>around to get rid of the warning. But I have not seen any issue with the
>logic.
>
>Brad
>
>On Nov 26, 2013, at 8:41 PM, "Johnson, Hans J" <hans-johnson at uiowa.edu>
>wrote:
>
>>
>> I¹m getting the following warning on gcc 4.8.2:
>>
>> In file included from
>> /tmp/src/ITK/Modules/Core/Common/include/itkContinuousIndex.h:22:0,
>>                 from
>> /tmp/src/ITK/Modules/Core/Common/include/itkImageRegion.h:34,
>>                 from
>> /tmp/src/ITK/Modules/Core/Common/include/itkImage.h:21,
>>                 from
>> /tmp/src/ITK/Modules/Core/Common/include/itkImageSource.h:32,
>>                 from
>>
>>/tmp/src/ITK/Modules/Core/Mesh/include/itkTriangleMeshToBinaryImageFilter
>>.h
>> :21,
>>                 from
>>
>>/tmp/src/ITK/Modules/Core/Mesh/test/itkTriangleMeshToBinaryImageFilterTes
>>t3
>> .cxx:19:
>> /tmp/src/ITK/Modules/Core/Common/include/itkIndex.h: In static member
>> function Œstatic void itk::ImageAlgorithm::DispatchedCopy(const
>> InputImageType*, OutputImageType*, const typename
>> InputImageType::RegionType&, const typename
>>OutputImageType::RegionType&,
>> itk::ImageAlgorithm::TrueType) [with InputImageType =
>>itk::Image<unsigned
>> char, 3u>; OutputImageType = itk::Image<unsigned char, 3u>; typename
>> InputImageType::RegionType = itk::ImageRegion<3u>; typename
>> OutputImageType::RegionType = itk::ImageRegion<3u>;
>> itk::ImageAlgorithm::TrueType = std::tr1::integral_constant<bool,
>>true>]¹:
>> /tmp/src/ITK/Modules/Core/Common/include/itkIndex.h:226:19: warning:
>>array
>> subscript is above array bounds [-Warray-bounds]
>>   { return m_Index[dim]; }
>>                   ^
>> /tmp/src/ITK/Modules/Core/Common/include/itkIndex.h:226:19: warning:
>>array
>> subscript is above array bounds [-Warray-bounds]
>> /tmp/src/ITK/Modules/Core/Common/include/itkIndex.h:226:19: warning:
>>array
>> subscript is above array bounds [-Warray-bounds]
>>   { return m_Index[dim]; }
>>                   ^
>>
>> It looks serious to me, but I don¹t know how to decipher it.
>>
>>
>> I¹m not going to be able to look at this anytime soon.
>>
>> Hans
>>
>>
>>
>>
>>
>>
>>
>>
>>
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