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-rw-r--r--compiler/rustc_middle/src/query/mod.rs6
1 files changed, 6 insertions, 0 deletions
diff --git a/compiler/rustc_middle/src/query/mod.rs b/compiler/rustc_middle/src/query/mod.rs
index 57c4f3f3ba3..abc639136d6 100644
--- a/compiler/rustc_middle/src/query/mod.rs
+++ b/compiler/rustc_middle/src/query/mod.rs
@@ -20,6 +20,12 @@ rustc_queries! {
         desc { "trigger a delay span bug" }
     }
 
+    /// Create a new definition within the incr. comp. engine.
+    query register_def(_: ty::RawLocalDefId) -> LocalDefId {
+        eval_always
+        desc { "register a DefId with the incr. comp. engine" }
+    }
+
     query resolutions(_: ()) -> &'tcx ty::ResolverOutputs {
         eval_always
         no_hash