[Issue 20829] dmd segfault on jump from a TryCatchStatement to another

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20829

--- Comment #4 from Basile-z <b2.temp at gmx.com> ---
Sorry, dont create the PR because The fix introduces semantic changes that
break 

- compilable/test602.d
- compilable/interpret3.d

as apparently it's legal to jump into a catch block.

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