EA-67458 - assert: UnusedSymbolInspection.hasNonTrivialUsages

idea/src/org/jetbrains/kotlin/idea/inspections/UnusedSymbolInspection.kt

@@ -100,7 +100,7 @@ public class UnusedSymbolInspection : AbstractKotlinInspection() {
 
                 // Simple PSI-based checks
                 val isCompanionObject = declaration is JetObjectDeclaration && declaration.isCompanion()
-                if (declaration.getNameIdentifier() == null && !isCompanionObject) return
+                if (declaration.getName() == null) return
                 if (declaration is JetEnumEntry) return
                 if (declaration.hasModifier(JetTokens.OVERRIDE_KEYWORD)) return
                 if (declaration is JetProperty && declaration.isLocal()) return

idea/testData/inspections/unusedSymbol/object/companionObjectOnTopLevel.kt

@@ -0,0 +1,4 @@
+// EA-67458 - assert: UnusedSymbolInspection.hasNonTrivialUsages
+
+companion object {
+}