bjoernager/rust
bjoernager/rust
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Reserve space in advance

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This commit is contained in:
Dániel Buga 2020-10-16 11:43:39 +02:00
parent 2ca0b85593
commit a7f2bb6343
4 changed files with 9 additions and 7 deletions
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2
compiler/rustc_lint/src/levels.rs
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@ -30,6 +30,8 @@ fn lint_levels(tcx: TyCtxt<'_>, cnum: CrateNum) -> LintLevelMap {
let mut builder = LintLevelMapBuilder { levels, tcx, store };
let krate = tcx.hir().krate();
builder.levels.id_to_set.reserve(krate.exported_macros.len() + 1);
let push = builder.levels.push(&krate.item.attrs, &store, true);
builder.levels.register_id(hir::CRATE_HIR_ID);
for macro_def in krate.exported_macros {