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-rw-r--r--compiler/rustc_passes/src/stability.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_passes/src/stability.rs b/compiler/rustc_passes/src/stability.rs
index 8f8f677cad4..70cb1f2a281 100644
--- a/compiler/rustc_passes/src/stability.rs
+++ b/compiler/rustc_passes/src/stability.rs
@@ -745,7 +745,7 @@ impl<'tcx> Visitor<'tcx> for Checker<'tcx> {
                     // `#![feature(const_trait_impl)]` is unstable, so any impl declared stable
                     // needs to have an error emitted.
                     if features.const_trait_impl
-                        && constness == hir::Constness::Const
+                        && *constness == hir::Constness::Const
                         && const_stab.map_or(false, |(stab, _)| stab.is_const_stable())
                     {
                         self.tcx