From b56639a7755b7eed2f785cadf317266e513ac2b9 Mon Sep 17 00:00:00 2001
From: Alexander Udalov <Alexander.Udalov@jetbrains.com>
Date: Wed, 15 Feb 2017 17:57:29 +0300
Subject: [PATCH] Filter out files with the same paths in runtime version
 checker

To prevent listing them several times in the diagnostic message
---
 .../kotlin/cli/jvm/JvmRuntimeVersionsConsistencyChecker.kt    | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/JvmRuntimeVersionsConsistencyChecker.kt b/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/JvmRuntimeVersionsConsistencyChecker.kt
index 3c3e7e16b42..4ce0cadc2a1 100644
--- a/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/JvmRuntimeVersionsConsistencyChecker.kt
+++ b/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/JvmRuntimeVersionsConsistencyChecker.kt
@@ -246,11 +246,15 @@ object JvmRuntimeVersionsConsistencyChecker {
         val coreJars = ArrayList<KotlinLibraryFile>(2)
         val otherLibrariesWithBundledRuntime = ArrayList<VirtualFile>(0)
 
+        val visitedPaths = hashSetOf<String>()
+
         for (jarRoot in classpathJarRoots) {
             val fileKind = determineFileKind(jarRoot)
             if (fileKind is FileKind.Irrelevant) continue
 
             val jarFile = VfsUtilCore.getVirtualFileForJar(jarRoot) ?: continue
+            if (!visitedPaths.add(jarFile.path)) continue
+
             when (fileKind) {
                 is FileKind.Runtime -> {
                     val file = KotlinLibraryFile(jarFile, fileKind.version)