[Issue 21607] dmd segfaults for forward reference in base class

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21607

RazvanN <razvan.nitu1305 at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |WORKSFORME

--- Comment #1 from RazvanN <razvan.nitu1305 at gmail.com> ---
Compiling this code with the latest version of master yields:

test.d(3): Error: function `test.CharSequence.toString` circular reference to
class `CharSequence`
test.d(1): Error: template instance `test.JavaClass!(CharSequence)` error
instantiating
test.d(1): Error: class `test.CharSequence` no size because of forward
reference

The first error message is confusing, but the rest are correct.

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