[Issue 12555] Incorrect error ungagging for speculatively instantiated class

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=12555

--- Comment #4 from github-bugzilla at puremagic.com ---
Commit pushed to master at https://github.com/D-Programming-Language/dmd

https://github.com/D-Programming-Language/dmd/commit/050707d1b1079bff15f3770fb6b5e8db1015a20a
Merge pull request #3384 from 9rnsr/refactor_aggregate

Issue 12078 & 12143 & 12555 & 11622 - Separate class hierarchy calculation from
class member semantics

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