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Disallow hidden references to mutable static

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Obei Sideg 2024-08-24 06:47:43 +03:00
parent d0985bb524
commit 74cab947f7
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GPG key ID: 14BF4B61362D0518
13 changed files with 203 additions and 133 deletions
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19
compiler/rustc_hir_analysis/messages.ftl
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@ -467,25 +467,6 @@ hir_analysis_start_not_target_feature = `#[start]` function is not allowed to ha
hir_analysis_start_not_track_caller = `#[start]` function is not allowed to be `#[track_caller]`
.label = `#[start]` function is not allowed to be `#[track_caller]`
hir_analysis_static_mut_ref = creating a {$shared} reference to a mutable static
.label = {$shared} reference to mutable static
.note = {$shared ->
[shared] this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior
*[mutable] this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior
}
.suggestion = use `addr_of!` instead to create a raw pointer
.suggestion_mut = use `addr_of_mut!` instead to create a raw pointer
hir_analysis_static_mut_refs_lint = creating a {$shared} reference to mutable static is discouraged
.label = {$shared} reference to mutable static
.suggestion = use `addr_of!` instead to create a raw pointer
.suggestion_mut = use `addr_of_mut!` instead to create a raw pointer
.note = this will be a hard error in the 2024 edition
.why_note = {$shared ->
[shared] this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior
*[mutable] this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior
}
hir_analysis_static_specialize = cannot specialize on `'static` lifetime
hir_analysis_tait_forward_compat = item constrains opaque type that is not in its signature