bjoernager/rust
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Shrink Nonterminal.

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By heap allocating the argument within `NtPath`, `NtVis`, and `NtStmt`.
This slightly reduces cumulative and peak allocation amounts, most
notably on `deep-vector`.
This commit is contained in:
Nicholas Nethercote 2022-04-06 12:08:39 +10:00
parent c2afaba465
commit d9592c2d9f
10 changed files with 18 additions and 16 deletions
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2
compiler/rustc_ast/src/attr/mod.rs
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@ -439,7 +439,7 @@ impl MetaItem {
}
Some(TokenTree::Token(Token { kind: token::Interpolated(nt), .. })) => match *nt {
token::Nonterminal::NtMeta(ref item) => return item.meta(item.path.span),
token::Nonterminal::NtPath(ref path) => path.clone(),
token::Nonterminal::NtPath(ref path) => (**path).clone(),
_ => return None,
},
_ => return None,