register snapshots #9415
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register snapshots #9415
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These are no good, need to touch the LLVM clean trigger. |
flip1995
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Sep 9, 2022
flip1995
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to flip1995/rust
that referenced
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Sep 9, 2022
Fix `mut_mutex_lock` when Mutex is behind immutable deref I *think* the problem here is the `if let ty::Ref(_, _, Mutability::Mut) = cx.typeck_results().expr_ty(recv).kind()` line tries to check if the `Mutex` can be mutably borrowed (there already is a test for `Arc<Mutex<_>>`), but gets bamboozled by the `&mut Arc` indirection. And I *think* checking the deref-adjustment to filter immutable-adjust (the deref through the `Arc`, starting from `&mut Arc`) is the correct fix. Fixes rust-lang#9415 changelog: Fix `mut_mutex_lock` when Mutex is behind immutable deref
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