[Issue 14693] @property return type not generated in .di file

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=14693

--- Comment #3 from Ketmar Dark <ketmar at ketmar.no-ip.org> ---
for voldemorts compiler can put `auto` there. yet this will require running
semantic stage, which has it's complications (semantic stage mutilates ASTs).

the other solution is to simply emit the body for functions without explicit
return type specification. they are rare anyway.

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