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Rollup merge of #99401 - TaKO8Ki:avoid-symbol-to-&str-conversions, r=nnethercote

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Avoid `Symbol` to `&str` conversions

`Symbol::as_str` is a slowish operation, so this patch removes some usages of it.
This commit is contained in:
Matthias Krüger 2022-07-19 13:30:46 +02:00 • committed by GitHub
commit 4815f94c51
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12 changed files with 28 additions and 23 deletions
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4
compiler/rustc_ast_passes/src/feature_gate.rs
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@ -62,9 +62,9 @@ impl<'a> PostExpansionVisitor<'a> {
let ast::StrLit { symbol_unescaped, span, .. } = abi;
if let ast::Const::Yes(_) = constness {
match symbol_unescaped.as_str() {
match symbol_unescaped {
// Stable
"Rust" | "C" => {}
sym::Rust | sym::C => {}
abi => gate_feature_post!(
&self,
const_extern_fn,