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| author | Mazdak Farrokhzad <twingoow@gmail.com> | 2019-11-19 13:10:23 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-11-19 13:10:23 +0100 |
| commit | 1f0f0adbf4bffe93e9a399b5cf1a55e771af4359 (patch) | |
| tree | 6b6c5fc955a7e954cc777c86aad86f6a421b1965 /src/libstd/sys/unix/stack_overflow.rs | |
| parent | 42e3b860459d75acda352a5b65e2db7b1f8334e8 (diff) | |
| parent | f74fe812fe802c71bd9f909cbce8a703a20ba479 (diff) | |
| download | rust-1f0f0adbf4bffe93e9a399b5cf1a55e771af4359.tar.gz rust-1f0f0adbf4bffe93e9a399b5cf1a55e771af4359.zip | |
Rollup merge of #66529 - petrochenkov:reshelp2, r=davidtwco
resolve: Give derive helpers highest priority during resolution
So they just shadow everything else and don't create ambiguity errors.
This matches the old pre-#64694 behavior most closely.
---
The change doesn't apply to this "compatibility" case
```rust
#[trait_helper] // The helper attribute is used before it introduced.
// Sadly, compiles on stable, supported via hacks.
// I plan to make a compatibility warning for this.
#[derive(Trait)]
struct S;
```
, such attributes still create ambiguities, but #64694 didn't change anything for this case.
Fixes https://github.com/rust-lang/rust/issues/66508
Fixes https://github.com/rust-lang/rust/issues/66525
Diffstat (limited to 'src/libstd/sys/unix/stack_overflow.rs')
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