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Rollup merge of #134797 - spastorino:ergonomic-ref-counting-1, r=nikomatsakis

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Ergonomic ref counting

This is an experimental first version of ergonomic ref counting.

This first version implements most of the RFC but doesn't implement any of the optimizations. This was left for following iterations.

RFC: https://github.com/rust-lang/rfcs/pull/3680
Tracking issue: https://github.com/rust-lang/rust/issues/132290
Project goal: https://github.com/rust-lang/rust-project-goals/issues/107

r? ```@nikomatsakis```
This commit is contained in:
Matthias Krüger
2025-03-07 19:15:33 +01:00
committed by GitHub
parent 03eb454523 d2bde63b7a
commit f5a143f796
119 changed files with 1401 additions and 79 deletions
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3
compiler/rustc_hir/src/intravisit.rs
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@@ -821,6 +821,9 @@ pub fn walk_expr<'v, V: Visitor<'v>>(visitor: &mut V, expression: &'v Expr<'v>)
try_visit!(visitor.visit_expr(receiver));
walk_list!(visitor, visit_expr, arguments);
}
ExprKind::Use(expr, _) => {
try_visit!(visitor.visit_expr(expr));
}
ExprKind::Binary(_, ref left_expression, ref right_expression) => {
try_visit!(visitor.visit_expr(left_expression));
try_visit!(visitor.visit_expr(right_expression));