bjoernager/rust
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Remove {Method,Trait}Def::is_unsafe.

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They are always `false`.
This commit is contained in:
Nicholas Nethercote 2022-06-28 11:44:37 +10:00
parent d13fa0d21b
commit 1254fe974d
12 changed files with 2 additions and 37 deletions
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18
compiler/rustc_builtin_macros/src/deriving/generic/mod.rs
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@ -210,9 +210,6 @@ pub struct TraitDef<'a> {
/// Any extra lifetimes and/or bounds, e.g., `D: serialize::Decoder`
pub generics: Bounds,
/// Is it an `unsafe` trait?
pub is_unsafe: bool,
/// Can this trait be derived for unions?
pub supports_unions: bool,
@ -240,9 +237,6 @@ pub struct MethodDef<'a> {
pub attributes: Vec<ast::Attribute>,
// Is it an `unsafe fn`?
pub is_unsafe: bool,
/// Can we combine fieldless variants for enums into a single match arm?
pub unify_fieldless_variants: bool,
@ -717,14 +711,12 @@ impl<'a> TraitDef<'a> {
let mut a = vec![attr, unused_qual];
a.extend(self.attributes.iter().cloned());
let unsafety = if self.is_unsafe { ast::Unsafe::Yes(self.span) } else { ast::Unsafe::No };
cx.item(
self.span,
Ident::empty(),
a,
ast::ItemKind::Impl(Box::new(ast::Impl {
unsafety,
unsafety: ast::Unsafe::No,
polarity: ast::ImplPolarity::Positive,
defaultness: ast::Defaultness::Final,
constness: ast::Const::No,
@ -939,15 +931,9 @@ impl<'a> MethodDef<'a> {
let fn_decl = cx.fn_decl(args, ast::FnRetTy::Ty(ret_type));
let body_block = cx.block_expr(body);
let unsafety = if self.is_unsafe { ast::Unsafe::Yes(span) } else { ast::Unsafe::No };
let trait_lo_sp = span.shrink_to_lo();
let sig = ast::FnSig {
header: ast::FnHeader { unsafety, ext: ast::Extern::None, ..ast::FnHeader::default() },
decl: fn_decl,
span,
};
let sig = ast::FnSig { header: ast::FnHeader::default(), decl: fn_decl, span };
let defaultness = ast::Defaultness::Final;
// Create the method.