fix aliasing violations in thread_local_const_init#84291
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bors merged 1 commit intorust-lang:masterfrom Apr 19, 2021
Merged
fix aliasing violations in thread_local_const_init#84291bors merged 1 commit intorust-lang:masterfrom
bors merged 1 commit intorust-lang:masterfrom
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| 0 => { | ||
| $crate::thread::__FastLocalKeyInner::<$t>::register_dtor( | ||
| &VAL as *const _ as *mut u8, | ||
| $crate::ptr::addr_of_mut!(VAL) as *mut u8, |
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Note that &mut VAL as *mut _ as *mut u8 would not be right as the &mut here would make a unique pointer which (together with the raw ptrs derived from it) becomes invalid when &VAL is executed later.
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@bors: r+ |
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📌 Commit 7a5418d has been approved by |
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Rollup of 7 pull requests Successful merges: - rust-lang#84123 (Introduce CompileMonoItem DepNode) - rust-lang#84126 (Enable sanitizers for x86_64-unknown-linux-musl) - rust-lang#84168 (Lower async fn in traits.) - rust-lang#84256 (doc: use U+2212 for minus sign in floating-point -0.0 remarks) - rust-lang#84291 (fix aliasing violations in thread_local_const_init) - rust-lang#84313 (fix suggestion for unsized function parameters) - rust-lang#84330 (Remove unused footer section) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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test thread_local_const_init Blocked on rust-lang/rust#84291
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Fixes #83416 (comment)
r? @alexcrichton @sfackler