don't inline report_overlap_conflict

2021-10-23 21:05:03 +02:00
parent 1296719c06
commit f55ff4103f
1 changed files with 5 additions and 0 deletions
--- a/compiler/rustc_trait_selection/src/traits/specialize/mod.rs
+++ b/compiler/rustc_trait_selection/src/traits/specialize/mod.rs
@@ -291,6 +291,11 @@ pub(super) fn specialization_graph_provider(
    sg
 }

+// This function is only used when
+// encountering errors and inlining
+// it negatively impacts perf.
+#[cold]
+#[inline(never)]
 fn report_overlap_conflict(
    tcx: TyCtxt<'_>,
    overlap: OverlapError,