Fix serialization of facet settings in order to read properly

settings of native platforms

compiler/cli/cli-common/src/org/jetbrains/kotlin/platform/konan/KonanPlatform.kt

@@ -11,7 +11,7 @@ import org.jetbrains.kotlin.platform.toTargetPlatform
 
 abstract class KonanPlatform : SimplePlatform("Native") {
     override val oldFashionedDescription: String
-        get() = "Kotlin/Native "
+        get() = "Native "
 }
 
 @Suppress("DEPRECATION_ERROR")

idea/testData/configuration/loadAndSaveOldNativeFacet/module.iml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="FacetManager">
+    <facet type="kotlin-language" name="Kotlin">
+      <configuration version="2" platform="Native " useProjectSettings="false">
+        <compilerSettings>
+          <option name="additionalArguments" value="-version -Xallow-kotlin-package -Xskip-metadata-version-check" />
+        </compilerSettings>
+        <compilerArguments>
+          <option name="languageVersion" value="1.1" />
+          <option name="apiVersion" value="1.0" />
+          <option name="coroutinesEnable" value="true" />
+        </compilerArguments>
+      </configuration>
+    </facet>
+  </component>
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="jdk" jdkName="1.8" jdkType="JavaSDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="KotlinJavaRuntime (2)" level="project" />
+  </component>
+</module>

idea/testData/configuration/loadAndSaveOldNativeFacet/projectFile.ipr

@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <resourceExtensions />
+    <wildcardResourcePatterns>
+      <entry name="!?*.java" />
+      <entry name="!?*.form" />
+      <entry name="!?*.class" />
+      <entry name="!?*.groovy" />
+      <entry name="!?*.scala" />
+      <entry name="!?*.flex" />
+      <entry name="!?*.kt" />
+      <entry name="!?*.clj" />
+      <entry name="!?*.aj" />
+    </wildcardResourcePatterns>
+    <annotationProcessing>
+      <profile default="true" name="Default" enabled="false">
+        <processorPath useClasspath="true" />
+      </profile>
+    </annotationProcessing>
+  </component>
+  <component name="CopyrightManager" default="" />
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/module.iml" filepath="$PROJECT_DIR$/module.iml" />
+    </modules>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" assert-keyword="true" jdk-15="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+  <component name="libraryTable">
+    <library name="KotlinJavaRuntime (2)">
+      <CLASSES>
+        <root url="jar://$PROJECT_DIR$/../mockRuntime11/kotlin-runtime.jar!/" />
+      </CLASSES>
+      <JAVADOC />
+      <SOURCES>
+      </SOURCES>
+    </library>
+  </component>
+</project>

idea/tests/org/jetbrains/kotlin/idea/configuration/ConfigureKotlinInTempDirTest.kt

@@ -96,6 +96,16 @@ open class ConfigureKotlinInTempDirTest : AbstractConfigureKotlinInTempDirTest()
         Assert.assertEquals(moduleFileContentBefore, moduleFileContentAfter)
     }
 
+
+    fun testLoadAndSaveOldNativeFacet() {
+        val moduleFileContentBefore = String(module.moduleFile!!.contentsToByteArray())
+        val application = ApplicationManager.getApplication() as ApplicationImpl
+        application.isSaveAllowed = true
+        application.saveAll()
+        val moduleFileContentAfter = String(module.moduleFile!!.contentsToByteArray())
+        Assert.assertEquals(moduleFileContentBefore.replace("platform=\"Native \"", "platform=\"Native \" allPlatforms=\"Native []\""), moduleFileContentAfter)
+    }
+
     //TODO(auskov): test parsing common target platform with multiple versions of java, add parsing common platforms
     fun testLoadAndSaveProjectWithV2OldPlatformFacetConfig() {
         val moduleFileContentBefore = String(module.moduleFile!!.contentsToByteArray())