Rollup of 5 pull requests #71014
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Rollup of 5 pull requests #71014
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The `_` binding form is special, in that it encodes a "no-op": nothing is actually bound, and thus nothing is moved or borrowed in this scenario. Usually we do the "right" thing in all such cases. The exceptions are explicitly pointed out in this test case, so that we keep track of whether they are eventually fixed.
Co-Authored-By: Mazdak Farrokhzad <twingoow@gmail.com>
Co-Authored-By: Mazdak Farrokhzad <twingoow@gmail.com>
…entril tests encoding current behavior for various cases of "binding" to _. The `_` binding form is special, in that it encodes a "no-op": nothing is actually bound, and thus nothing is moved or borrowed in this scenario. Usually we do the "right" thing in all such cases. The exceptions are explicitly pointed out in this test case, so that we keep track of whether they are eventually fixed. Cc rust-lang#53114. (This does not close the aforementioned issue; it just adds the tests encoding the current behavior, which we hope to eventually fix.)
…d-attrs, r=Mark-Simulacrum bootstrap: work around "unused attribute" errors in incremental stdlib rebuilds. This should alleviate rust-lang#58633 separately from a proper fix. r? @Mark-Simulacrum
…, r=matthewjasper Normalize MIR locals' types for generator layout computation. fixes rust-lang#70905
…fJung added machine hooks to track deallocations This is part of rust-lang/miri#1314 in order to allow miri to show stack traces for on deallocation in order to debug use-after-free bugs
Normalize function signature in function casting check procedure Fixes rust-lang#54094 ```rust trait Zoo { type X; } impl Zoo for u16 { type X = usize; } fn foo(abc: <u16 as Zoo>::X) {} fn main() { let x: *const u8 = foo as _; } ``` Currently a `FnDef` need to be checked if it's able to cast to `FnPtr` before it is actually casted. But the signature of `FnPtr` target's associated types are not normalized: https://github.com/rust-lang/rust/blob/96d77f0e5f103612d62b85938aacfb33f5768433/src/librustc_typeck/check/cast.rs#L536-L553 However, during the coercion check, the signature of `FnPtr` target's associated types are normalized (The `<u16 as Zoo>::X` turns into `usize`). https://github.com/rust-lang/rust/blob/96d77f0e5f103612d62b85938aacfb33f5768433/src/librustc_typeck/check/coercion.rs#L687-L729 This inconsistency leads to the error:`Err(Sorts(ExpectedFound { expected: <u16 as Zoo>::X, found: usize }))`.
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@bors r+ p=5 rollup=never |
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📌 Commit 0a6d177 has been approved by |
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⌛ Testing commit 0a6d177 with merge c6af13df53b46e6f7b71826be2d56a18750e66e0... |
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💔 Test failed - checks-azure |
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@bors retry |
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@bors retry |
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☀️ Test successful - checks-azure |
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r? @ghost