bjoernager/rust
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Auto merge of #94737 - lcnr:pass-stuff-by-value, r=davidtwco

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add `#[rustc_pass_by_value]` to more types

the only interesting changes here should be to `TransitiveRelation`, but I believe to be highly unlikely that we will ever use a non `Copy` type with this type.
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bors 2022-03-10 00:15:39 +00:00
commit 85ce7fdfa2
27 changed files with 165 additions and 152 deletions
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5
compiler/rustc_middle/src/mir/mod.rs
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@ -1292,6 +1292,8 @@ pub enum InlineAsmOperand<'tcx> {
/// Type for MIR `Assert` terminator error messages.
pub type AssertMessage<'tcx> = AssertKind<Operand<'tcx>>;
// FIXME: Change `Successors` to `impl Iterator<Item = BasicBlock>`.
#[allow(rustc::pass_by_value)]
pub type Successors<'a> =
iter::Chain<option::IntoIter<&'a BasicBlock>, slice::Iter<'a, BasicBlock>>;
pub type SuccessorsMut<'a> =
@ -1832,7 +1834,8 @@ impl<V, T> ProjectionElem<V, T> {
/// and the index is a local.
pub type PlaceElem<'tcx> = ProjectionElem<Local, Ty<'tcx>>;
// At least on 64 bit systems, `PlaceElem` should not be larger than two pointers.
// This type is fairly frequently used, so we shouldn't unintentionally increase
// its size.
#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
static_assert_size!(PlaceElem<'_>, 24);