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Shorten some overlong comment lines.

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It's annoying that these wrap in a 100-char terminal window.
This commit is contained in:
Nicholas Nethercote 2023-07-12 09:15:54 +10:00
parent 1065d876cd
commit 36458109ae
1 changed files with 7 additions and 6 deletions
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13
compiler/rustc_mir_build/src/build/scope.rs
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@ -760,12 +760,13 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
) {
let (current_root, parent_root) =
if self.tcx.sess.opts.unstable_opts.maximal_hir_to_mir_coverage {
// Some consumers of rustc need to map MIR locations back to HIR nodes. Currently the
// the only part of rustc that tracks MIR -> HIR is the `SourceScopeLocalData::lint_root`
// field that tracks lint levels for MIR locations. Normally the number of source scopes
// is limited to the set of nodes with lint annotations. The -Zmaximal-hir-to-mir-coverage
// flag changes this behavior to maximize the number of source scopes, increasing the
// granularity of the MIR->HIR mapping.
// Some consumers of rustc need to map MIR locations back to HIR nodes. Currently
// the the only part of rustc that tracks MIR -> HIR is the
// `SourceScopeLocalData::lint_root` field that tracks lint levels for MIR
// locations. Normally the number of source scopes is limited to the set of nodes
// with lint annotations. The -Zmaximal-hir-to-mir-coverage flag changes this
// behavior to maximize the number of source scopes, increasing the granularity of
// the MIR->HIR mapping.
(current_id, parent_id)
} else {
// Use `maybe_lint_level_root_bounded` with `self.hir_id` as a bound