Slava Pestov 77e9025eea Sema: Don't score a solution higher if there's a sync-vs-async mismatch with a 'reasync' function ...

This fixes a performance regression with the reasync '&&', '||' and '??'
operators.

Also arguably it makes sense anyway since 'reasync' functions can in
fact be called from synchronous functions, so the solution should not
be considered worse.

We don't actually want to be able to overload a synchronous function
with a 'reasync' function anyway; the whole point of 'reasync' is to
avoid the need for such overloading.

Fixes rdar://problem/76254445.

2021-04-08 21:26:42 -04:00

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