From 51a73eb4fbbf2ec74c6a86942780fc2600811540 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?John=20K=C3=A5re=20Alsaker?= Date: Tue, 31 Dec 2019 14:28:36 +0100 Subject: [PATCH] Avoid a duplicate hash map lookup --- src/librustc_mir/monomorphize/collector.rs | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/src/librustc_mir/monomorphize/collector.rs b/src/librustc_mir/monomorphize/collector.rs index 422a1ccd9b5..e85e842031d 100644 --- a/src/librustc_mir/monomorphize/collector.rs +++ b/src/librustc_mir/monomorphize/collector.rs @@ -227,10 +227,7 @@ impl<'tcx> InliningMap<'tcx> { } } - fn record_accesses(&mut self, source: MonoItem<'tcx>, new_targets: &[(MonoItem<'tcx>, bool)]) - { - assert!(!self.index.contains_key(&source)); - + fn record_accesses(&mut self, source: MonoItem<'tcx>, new_targets: &[(MonoItem<'tcx>, bool)]) { let start_index = self.targets.len(); let new_items_count = new_targets.len(); let new_items_count_total = new_items_count + self.targets.len(); @@ -246,7 +243,7 @@ impl<'tcx> InliningMap<'tcx> { } let end_index = self.targets.len(); - self.index.insert(source, (start_index, end_index)); + assert!(self.index.insert(source, (start_index, end_index)).is_none()); } // Internally iterate over all items referenced by `source` which will be