[Issue 19602] Under some circumstances: throwing Error subclasses unwinds without invoking dtors

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=19602

--- Comment #4 from Eyal <eyal at weka.io> ---
Just to clarify on my last point, if "auto sneakyThrow" is changed to "void
sneakyThrow" -- it DOES run the dtor! Because it is no longer inferred to be
nothrow.

This is a really unpredictable semantics for a simple program, doesn't feel at
all reasonable in a language that desires safety.

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