Elizabeth Mattijsen comments

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                                            Elizabeth Mattijsen

Rat literals in signature literals cause compile time crashes

Added test, closing

Postfix `for`, and possibly others, cause &?ROUTINE to be set to empty string

Test added with https://github.com/rakudo/rakudo/commit/efb42ea700

onlystar protos don't validate arguments at runtime

Feels indeed to me that the `proto` removing logic is a little too eager.

private Classes can sometimes escape their scope

I don't think that's an issue, as `role`s are by default `our` scoped? And a package is a namespace.

private Classes can sometimes escape their scope

Meh, sorry, misread. Looks like the `our` of the role is infectuous?

elsif andthen gives compilation error and weird message

Test added with https://github.com/rakudo/rakudo/commit/0649fcc55a

Last expression of TWEAK/BUILD methods not sunk on object instantiation

The reason this does not work as you think it would, is that `start` returns a `Promise`. The `Promise` will be broken because of the `die`. Whenever something is done...

Last expression of TWEAK/BUILD methods not sunk on object instantiation

Technically, it shouldn't be too difficult to add a call to `sink` to the return value of `BUILD` and `TWEAK`. However, do we want to add that overhead to **EACH**...

Last expression of TWEAK/BUILD methods not sunk on object instantiation

Looks like the `TWEAK`/`BUILD` handling in the legacy grammar is going to be obsolete before long. So adding the "will be addressed in RakuAST` label, and make it part of...

Last expression of TWEAK/BUILD methods not sunk on object instantiation

@fingolfin0: Understood. Sorry to hear you've spent so much time finding this issue. And thank you for reporting! Since `--> Nil` should provide an opt-out, there should not be any...