[Issue 20696] Should error when retrieving mangling while the type is not yet final

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20696

Walter Bright <bugzilla at digitalmars.com> changed:

           What    |Removed                     |Added
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           See Also|                            |https://issues.dlang.org/sh
                   |                            |ow_bug.cgi?id=15431

--- Comment #3 from Walter Bright <bugzilla at digitalmars.com> ---
15431 is related, but a different problem requiring a different solution.

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