From cb8189989cfa6975f663ac0be956f23b8a29f7be Mon Sep 17 00:00:00 2001
From: Alexey Andreev <Alexey.Andreev@jetbrains.com>
Date: Mon, 13 Feb 2017 16:19:08 +0300
Subject: [PATCH] JS: optimize removeUnusedFunctionDefinitions

---
 .../kotlin/js/inline/clean/removeUnusedFunctionDefinitions.kt   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/js/js.inliner/src/org/jetbrains/kotlin/js/inline/clean/removeUnusedFunctionDefinitions.kt b/js/js.inliner/src/org/jetbrains/kotlin/js/inline/clean/removeUnusedFunctionDefinitions.kt
index a7c2ef03a2d..4a39aa36bc2 100644
--- a/js/js.inliner/src/org/jetbrains/kotlin/js/inline/clean/removeUnusedFunctionDefinitions.kt
+++ b/js/js.inliner/src/org/jetbrains/kotlin/js/inline/clean/removeUnusedFunctionDefinitions.kt
@@ -34,7 +34,7 @@ fun removeUnusedFunctionDefinitions(root: JsNode, functions: Map<JsName, JsFunct
     val removable = with(UnusedLocalFunctionsCollector(functions)) {
         process()
         accept(root)
-        removableFunctions
+        removableFunctions.toSet()
     }
 
     NodeRemover(JsStatement::class.java) { statement ->