bjoernager/rust
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abort immediately on bad mem::zeroed/uninit

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This commit is contained in:
Ralf Jung 2022-12-21 13:49:48 +01:00
parent 2d8651a927
commit 9f241b3a26
9 changed files with 55 additions and 34 deletions
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5
compiler/rustc_hir/src/lang_items.rs
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@ -146,7 +146,7 @@ pub fn extract(attrs: &[ast::Attribute]) -> Option<(Symbol, Span)> {
}
language_item_table! {
// Variant name, Name, Method name, Target Generic requirements;
// Variant name, Name, Getter method name, Target Generic requirements;
Sized, sym::sized, sized_trait, Target::Trait, GenericRequirement::Exact(0);
Unsize, sym::unsize, unsize_trait, Target::Trait, GenericRequirement::Minimum(1);
/// Trait injected by `#[derive(PartialEq)]`, (i.e. "Partial EQ").
@ -232,6 +232,7 @@ language_item_table! {
// is required to define it somewhere. Additionally, there are restrictions on crates that use
// a weak lang item, but do not have it defined.
Panic, sym::panic, panic_fn, Target::Fn, GenericRequirement::Exact(0);
PanicNounwind, sym::panic_nounwind, panic_nounwind, Target::Fn, GenericRequirement::Exact(0);
PanicFmt, sym::panic_fmt, panic_fmt, Target::Fn, GenericRequirement::None;
PanicDisplay, sym::panic_display, panic_display, Target::Fn, GenericRequirement::None;
ConstPanicFmt, sym::const_panic_fmt, const_panic_fmt, Target::Fn, GenericRequirement::None;
@ -239,7 +240,7 @@ language_item_table! {
PanicInfo, sym::panic_info, panic_info, Target::Struct, GenericRequirement::None;
PanicLocation, sym::panic_location, panic_location, Target::Struct, GenericRequirement::None;
PanicImpl, sym::panic_impl, panic_impl, Target::Fn, GenericRequirement::None;
PanicNoUnwind, sym::panic_no_unwind, panic_no_unwind, Target::Fn, GenericRequirement::Exact(0);
PanicCannotUnwind, sym::panic_cannot_unwind, panic_cannot_unwind, Target::Fn, GenericRequirement::Exact(0);
/// libstd panic entry point. Necessary for const eval to be able to catch it
BeginPanic, sym::begin_panic, begin_panic_fn, Target::Fn, GenericRequirement::None;