libpng error: IDAT: Read error: hit end of file in png reader
iconvert ERROR copying "../oiio-images/png/broken/invalid_gray_alpha_sbit.png" to "invalid_gray_alpha_sbit.png" :
	Read error: hit end of file in png reader
PNG read error: IDAT: Read error: hit end of file in png reader
libpng error: No IDATs written into file
Comparing "../oiio-images/png/broken/invalid_gray_alpha_sbit.png" and "invalid_gray_alpha_sbit.png"
libpng error: tEXt: Read error: hit end of file in png reader
libpng error: tEXt: Read error: hit end of file in png reader
idiff ERROR: Could not read invalid_gray_alpha_sbit.png:
	Invalid image file "invalid_gray_alpha_sbit.png": Read error: hit end of file in png reader
PNG read error: tEXt: Read error: hit end of file in png reader
