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| author | bors <bors@rust-lang.org> | 2019-09-20 15:35:51 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2019-09-20 15:35:51 +0000 |
| commit | 97e58c0d32bcb8730f8246d25f3d2fa8092b450a (patch) | |
| tree | 91c7f262ca3d830dde50156e752f37b12aafae9c /src/libsyntax/parse/parser/expr.rs | |
| parent | 9ad1e7c46cf690b7ec6953b142430d21ca2d8799 (diff) | |
| parent | 77fd0a76491afb4c93359f6ceb33a9f79c4f4228 (diff) | |
| download | rust-97e58c0d32bcb8730f8246d25f3d2fa8092b450a.tar.gz rust-97e58c0d32bcb8730f8246d25f3d2fa8092b450a.zip | |
Auto merge of #64584 - nikomatsakis:issue-64477-generator-capture-types, r=eddyb
record fewer adjustment types in generator witnesses, avoid spurious drops in MIR construction Don't record all intermediate adjustment types -- That's way more than is needed, and winds up recording types that will never appear in MIR. Note: I'm like 90% sure that this logic is correct, but this stuff is subtle and can be hard to keep straight. However, the risk of this PR is fairly low -- if we miss types here, I believe the most common outcome is an ICE. This fixes the original issue cited by #64477, but I'm leaving the issue open for now since there may be other cases we can detect and improve in a targeted way. r? @Zoxc
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