diff --git a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/resolve/lightClasses/IDELightClassContexts.kt b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/resolve/lightClasses/IDELightClassContexts.kt
index 5041c6e4b4c..0f29456b429 100644
--- a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/resolve/lightClasses/IDELightClassContexts.kt
+++ b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/resolve/lightClasses/IDELightClassContexts.kt
@@ -77,6 +77,8 @@ class IDELightClassConstructionContext(bindingContext: BindingContext, module: M
         LIGHT,
         EXACT
     }
+
+    override fun toString() = "${this.javaClass.simpleName}:$mode"
 }
 
 object IDELightClassContexts {