Preserve StaceTrace.
Preserve StaceTrace.

KennyBu/shouldly,enkafan/shouldly,MitjaBezensek/shouldly,MitjaBezensek/shouldly,JakeGinnivan/shouldly,AmadeusW/shouldly,MitjaBezensek/shouldly,MitjaBezensek/shouldly,ankurMalhotra/shouldly,MitjaBezensek/shouldly,chaitanyagurrapu/shouldly,MitjaBezensek/shouldly,JoeMighty/shouldly,ofirw/shouldly,yannisgu/shouldly