Yes, I also was pretty oblivious to this until Walther Bright mentioned it in the D forums a few months back. I went back and did some simple tests with the com

Yes, I also was pretty oblivious to this until Walther Bright mentioned it in the D forums a few months back. I went back and did some simple tests with the compiler explorer and sure enough, I got some extra overhead in the generated code with exceptions enabled as soon as the compiler could not prove the absence of exceptions.