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Update src/librustc_typeck/check/mod.rs

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Co-Authored-By: Mazdak Farrokhzad <twingoow@gmail.com>
This commit is contained in:
Simon Sapin 2019-07-04 15:52:37 +02:00 committed by Oliver Scherer
parent 05a644e825
commit 8c5ae86496
1 changed files with 3 additions and 1 deletions
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src/librustc_typeck/check/mod.rs
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@ -1391,7 +1391,9 @@ fn check_union(tcx: TyCtxt<'_>, id: hir::HirId, span: Span) {
check_packed(tcx, span, def_id);
}
fn check_union_fields<'tcx>(tcx: TyCtxt<'tcx>, _sp: Span, item_def_id: DefId) -> bool {
/// When the `#![feature(untagged_unions)]` gate is active,
/// check that the fields of the `union` does not contain fields that need dropping.
fn check_union_fields(tcx: TyCtxt<'_>, _: Span, item_def_id: DefId) -> bool {
// Without the feature we check Copy types only later
if !tcx.features().untagged_unions {
return true;