Check other rvalues#19
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nikomatsakis merged 17 commits intonikomatsakis:nll-masterfrom Dec 2, 2017
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maybe worth a comment here -- something like:
// We sometimes see MIR failures (notably predicate failures) due to
// the fact that we check rvalue sized predicates here. So use `delay_span_bug`
// to avoid reporting bugs in those cases.
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| AggregateKind::Closure(def_id, substs) | | ||
| AggregateKind::Generator(def_id, substs, _) => { | ||
| tcx.predicates_of(*def_id).instantiate(tcx, substs.substs) |
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I realized that this code should probably move into this match arm
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@nikomatsakis addressed both things |
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Nit: if we are going to "return early" for tuples, we should have bug! cases for the prove_aggregate_predicates function etc. Otherwise if people tried to add code there there might be confusion.
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The other thing we could do is to leave prove_aggregate_predicates before the early return as it was ... so if you want to handle Tuples there you can.
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Otherwise, `run-pass/typeck-fn-to-unsafe-fn-ptr.rs` fails the MIR type checker.
These tests had FIXMEs for errors that were not previously being reported.
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#15 but done on top of
nll-masterThis should close rust-lang#45827 and rust-lang#45959.