BUG: Avoid gcc -O3 bug in vnl test_pow_log
BUG: Avoid gcc -O3 bug in vnl test_pow_log

If int_pow is inlined then compiling with gcc -O3 results in a failed
integer comparison in test "Power of 2 with overflow" even though the
values are the same.

LucasGandel/ITK,BRAINSia/ITK,CapeDrew/DCMTK-ITK,hendradarwin/ITK,rhgong/itk-with-dom,spinicist/ITK,jcfr/ITK,thewtex/ITK,fuentesdt/InsightToolkit-dev,daviddoria/itkHoughTransform,daviddoria/itkHoughTransform,zachary-williamson/ITK,wkjeong/ITK,InsightSoftwareConsortium/ITK,BlueBrain/ITK,thewtex/ITK,wkjeong/ITK,CapeDrew/DCMTK-ITK,Kitware/ITK,jcfr/ITK,wkjeong/ITK,zachary-williamson/ITK,blowekamp/ITK,stnava/ITK,zachary-williamson/ITK,hjmjohnson/ITK,stnava/ITK,eile/ITK,wkjeong/ITK,jcfr/ITK,LucasGandel/ITK,ajjl/ITK,hjmjohnson/ITK,blowekamp/ITK,stnava/ITK,BlueBrain/ITK,GEHC-Surgery/ITK,wkjeong/ITK,thewtex/ITK,paulnovo/ITK,jmerkow/ITK,CapeDrew/DITK,zachary-williamson/ITK,jmerkow/ITK,spinicist/ITK,stnava/ITK,zachary-williamson/ITK,InsightSoftwareConsortium/ITK,heimdali/ITK,stnava/ITK,msmolens/ITK,msmolens/ITK,LucasGandel/ITK,BlueBrain/ITK,CapeDrew/DITK,fedral/ITK,wkjeong/ITK,hendradarwin/ITK,heimdali/ITK,PlutoniumHeart/ITK,ajjl/ITK,LucHermitte/ITK,biotrump/ITK,daviddoria/itkHoughTransform,fedral/ITK,eile/ITK,CapeDrew/DCMTK-ITK,itkvideo/ITK,CapeDrew/DCMTK-ITK,hjmjohnson/ITK,hinerm/ITK,jcfr/ITK,fedral/ITK,fbudin69500/ITK,eile/ITK,malaterre/ITK,fuentesdt/InsightToolkit-dev,fedral/ITK,daviddoria/itkHoughTransform,vfonov/ITK,CapeDrew/DCMTK-ITK,InsightSoftwareConsortium/ITK,spinicist/ITK,PlutoniumHeart/ITK,malaterre/ITK,blowekamp/ITK,vfonov/ITK,eile/ITK,Kitware/ITK,vfonov/ITK,GEHC-Surgery/ITK,itkvideo/ITK,BRAINSia/ITK,msmolens/ITK,GEHC-Surgery/ITK,vfonov/ITK,Kitware/ITK,hendradarwin/ITK,BRAINSia/ITK,CapeDrew/DITK,hjmjohnson/ITK,rhgong/itk-with-dom,fuentesdt/InsightToolkit-dev,biotrump/ITK,malaterre/ITK,itkvideo/ITK,BlueBrain/ITK,InsightSoftwareConsortium/ITK,thewtex/ITK,GEHC-Surgery/ITK,LucasGandel/ITK,hendradarwin/ITK,hinerm/ITK,spinicist/ITK,paulnovo/ITK,hjmjohnson/ITK,stnava/ITK,biotrump/ITK,rhgong/itk-with-dom,BlueBrain/ITK,GEHC-Surgery/ITK,fuentesdt/InsightToolkit-dev,LucHermitte/ITK,vfonov/ITK,msmolens/ITK,fuentesdt/InsightToolkit-dev,stnava/ITK,itkvideo/ITK,biotrump/ITK,Kitware/ITK,LucasGandel/ITK,fuentesdt/InsightToolkit-dev,richardbeare/ITK,blowekamp/ITK,atsnyder/ITK,hinerm/ITK,eile/ITK,CapeDrew/DITK,Kitware/ITK,itkvideo/ITK,BRAINSia/ITK,malaterre/ITK,hinerm/ITK,vfonov/ITK,msmolens/ITK,rhgong/itk-with-dom,LucHermitte/ITK,paulnovo/ITK,jmerkow/ITK,fbudin69500/ITK,CapeDrew/DCMTK-ITK,malaterre/ITK,LucHermitte/ITK,cpatrick/ITK-RemoteIO,rhgong/itk-with-dom,msmolens/ITK,fedral/ITK,biotrump/ITK,blowekamp/ITK,cpatrick/ITK-RemoteIO,spinicist/ITK,BRAINSia/ITK,LucHermitte/ITK,zachary-williamson/ITK,daviddoria/itkHoughTransform,paulnovo/ITK,hendradarwin/ITK,hinerm/ITK,LucasGandel/ITK,heimdali/ITK,daviddoria/itkHoughTransform,ajjl/ITK,rhgong/itk-with-dom,atsnyder/ITK,atsnyder/ITK,jmerkow/ITK,wkjeong/ITK,atsnyder/ITK,heimdali/ITK,cpatrick/ITK-RemoteIO,ajjl/ITK,heimdali/ITK,itkvideo/ITK,CapeDrew/DCMTK-ITK,LucasGandel/ITK,hinerm/ITK,rhgong/itk-with-dom,malaterre/ITK,hjmjohnson/ITK,PlutoniumHeart/ITK,GEHC-Surgery/ITK,thewtex/ITK,BRAINSia/ITK,jmerkow/ITK,LucHermitte/ITK,BlueBrain/ITK,richardbeare/ITK,ajjl/ITK,fbudin69500/ITK,eile/ITK,thewtex/ITK,zachary-williamson/ITK,cpatrick/ITK-RemoteIO,hendradarwin/ITK,paulnovo/ITK,itkvideo/ITK,jmerkow/ITK,vfonov/ITK,fuentesdt/InsightToolkit-dev,msmolens/ITK,biotrump/ITK,vfonov/ITK,CapeDrew/DCMTK-ITK,PlutoniumHeart/ITK,Kitware/ITK,stnava/ITK,zachary-williamson/ITK,blowekamp/ITK,malaterre/ITK,wkjeong/ITK,jcfr/ITK,InsightSoftwareConsortium/ITK,spinicist/ITK,eile/ITK,heimdali/ITK,cpatrick/ITK-RemoteIO,daviddoria/itkHoughTransform,atsnyder/ITK,InsightSoftwareConsortium/ITK,thewtex/ITK,fbudin69500/ITK,fedral/ITK,heimdali/ITK,heimdali/ITK,LucasGandel/ITK,paulnovo/ITK,biotrump/ITK,malaterre/ITK,fbudin69500/ITK,BlueBrain/ITK,eile/ITK,hinerm/ITK,ajjl/ITK,ajjl/ITK,eile/ITK,hinerm/ITK,fuentesdt/InsightToolkit-dev,spinicist/ITK,GEHC-Surgery/ITK,blowekamp/ITK,atsnyder/ITK,richardbeare/ITK,atsnyder/ITK,paulnovo/ITK,jmerkow/ITK,richardbeare/ITK,PlutoniumHeart/ITK,CapeDrew/DITK,fbudin69500/ITK,cpatrick/ITK-RemoteIO,vfonov/ITK,spinicist/ITK,daviddoria/itkHoughTransform,hjmjohnson/ITK,richardbeare/ITK,atsnyder/ITK,LucHermitte/ITK,LucHermitte/ITK,PlutoniumHeart/ITK,CapeDrew/DITK,paulnovo/ITK,fedral/ITK,CapeDrew/DITK,richardbeare/ITK,CapeDrew/DITK,PlutoniumHeart/ITK,blowekamp/ITK,hendradarwin/ITK,biotrump/ITK,Kitware/ITK,jcfr/ITK,itkvideo/ITK,richardbeare/ITK,hinerm/ITK,itkvideo/ITK,fedral/ITK,ajjl/ITK,fuentesdt/InsightToolkit-dev,malaterre/ITK,atsnyder/ITK,PlutoniumHeart/ITK,jcfr/ITK,InsightSoftwareConsortium/ITK,spinicist/ITK,hendradarwin/ITK,stnava/ITK,BRAINSia/ITK,fbudin69500/ITK,fbudin69500/ITK,CapeDrew/DITK,jmerkow/ITK,cpatrick/ITK-RemoteIO,jcfr/ITK,rhgong/itk-with-dom,zachary-williamson/ITK,CapeDrew/DCMTK-ITK,BlueBrain/ITK,cpatrick/ITK-RemoteIO,daviddoria/itkHoughTransform,msmolens/ITK,GEHC-Surgery/ITK