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| author | bors <bors@rust-lang.org> | 2017-03-22 02:00:16 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2017-03-22 02:00:16 +0000 |
| commit | 8c4f2c64c6759a82f143e23964a46a65c67509c9 (patch) | |
| tree | f4d5f98790eb5e1501fe0a7429d0d6de02e1fa6c /src/rustllvm/RustWrapper.cpp | |
| parent | 50c4e3e8d01020c83255c48d2fdbc58ea5ab34c9 (diff) | |
| parent | b5e889791a5ec8cb06224cf07273be8c84192698 (diff) | |
| download | rust-8c4f2c64c6759a82f143e23964a46a65c67509c9.tar.gz rust-8c4f2c64c6759a82f143e23964a46a65c67509c9.zip | |
Auto merge of #40043 - petrochenkov:objpars, r=nikomatsakis
Refactor parsing of trait object types Bugs are fixed and code is cleaned up. User visible changes: - `ty` matcher in macros accepts trait object types like `Write + Send` (https://github.com/rust-lang/rust/issues/39080) - Buggy priority of `+` in trait object types starting with `for` is fixed (https://github.com/rust-lang/rust/issues/39317). `&for<'a> Trait<'a> + Send` is now parsed as `(&for<'a> Trait<'a>) + Send` and requires parens `&(for<'a> Trait<'a> + Send)`. For comparison, `&Send + for<'a> Trait<'a>` was parsed like this since [Nov 27, 2014](https://github.com/rust-lang/rust/pull/19298). - Trailing `+`s are supported in trait objects, like in other bounds. - Better error reporting for trait objects starting with `?Sized`. Fixes https://github.com/rust-lang/rust/issues/39080 Fixes https://github.com/rust-lang/rust/issues/39317 [breaking-change] Closes https://github.com/rust-lang/rust/issues/39298 cc https://github.com/rust-lang/rust/issues/39085 (fixed, then reverted https://github.com/rust-lang/rust/pull/40043#issuecomment-286570653) cc https://github.com/rust-lang/rust/issues/39318 (fixed, then reverted https://github.com/rust-lang/rust/pull/40043#issuecomment-284493890) r? @nikomatsakis
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