Dwarf Exception Handling question

[deadalnix via Digitalmars-d]

On Monday, 23 November 2015 at 21:05:29 UTC, Walter Bright wrote:
> dmd rewrites try-catch-finally into try-{try-catch}-finally, 
> which makes it easier to generate code, because fewer special 
> cases and fewer bugs. I've become a big fan of that technique 
> :-)

Wouldn't that makes unwinding slower because one need to go 
through several landing pads ?