[Issue 22990] [dip1000] extended return semantics doesn't work on auto return

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=22990

Walter Bright <bugzilla at digitalmars.com> changed:

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--- Comment #1 from Walter Bright <bugzilla at digitalmars.com> ---
Your analysis is correct, it's the `if (!tf.nextOf()) return false;`.

Perhaps the function can set a flag if it doesn't see any `return` statements.

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