https://issues.dlang.org/show_bug.cgi?id=24820
--- Comment #2 from Jonathan M Davis <[email protected]> --- It looks like the AA implementation currently has a test to verify that it handles postblits correctly. Presumably, that could be copied and reworked to verify that copy constructors get called correctly: https://github.com/dlang/dmd/blob/master/druntime/src/rt/aaA.d#L935 --
