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-rw-r--r--compiler/rustc_middle/src/query/mod.rs4
1 files changed, 4 insertions, 0 deletions
diff --git a/compiler/rustc_middle/src/query/mod.rs b/compiler/rustc_middle/src/query/mod.rs
index 062adc9ec54..b36f0df78f1 100644
--- a/compiler/rustc_middle/src/query/mod.rs
+++ b/compiler/rustc_middle/src/query/mod.rs
@@ -898,6 +898,10 @@ rustc_queries! {
         desc { |tcx| "linting {}", describe_as_module(key, tcx) }
     }
 
+    query check_unused_traits(_: ()) -> () {
+        desc { "checking unused trait imports in crate" }
+    }
+
     /// Checks the attributes in the module.
     query check_mod_attrs(key: LocalDefId) -> () {
         desc { |tcx| "checking attributes in {}", describe_as_module(key, tcx) }