Extract and reuse JarFS-related IO fallback configurator function

Partly fixes #KT-16927

compiler/cli/cli-common/src/org/jetbrains/kotlin/cli/common/environment/util.kt

@@ -0,0 +1,31 @@
+/*
+ * Copyright 2010-2017 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.cli.common.environment
+
+import com.intellij.openapi.util.SystemInfo
+
+fun setIdeaIoUseFallback() {
+    if (SystemInfo.isWindows) {
+        val properties = System.getProperties()
+
+        properties.setProperty("idea.io.use.nio2", java.lang.Boolean.TRUE.toString())
+
+        if (!(SystemInfo.isJavaVersionAtLeast("1.7") && "1.7.0-ea" != SystemInfo.JAVA_VERSION)) {
+            properties.setProperty("idea.io.use.fallback", java.lang.Boolean.TRUE.toString())
+        }
+    }
+}