Itseez/opencv — pull request #3379 by akarsakov (2014-10-28 13:10:56+00:00)
Title: GFTT with empty image

GFTT on empty image doesn't need to do processing, just return empty result.
It makes happy IPP build check.

test_filter=*Features2d_Detector*
test_modules=features2d
build_examples=OFF