Moved Konan specific annotation "@Used" to "konan" package.

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/KonanPlatform.kt

@@ -36,7 +36,8 @@ class KonanBuiltIns: KotlinBuiltIns {
 object KonanPlatform : TargetPlatform("Konan") {
     override val defaultImports: List<ImportPath> = Default.defaultImports + listOf(
             ImportPath("kotlin.*"),
-            ImportPath("kotlin.io.*")
+            ImportPath("kotlin.io.*"),
+            ImportPath("konan.*")
     )
 
     override val platformConfigurator: PlatformConfigurator = KonanPlatformConfigurator

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/UsedAnnotation.kt

@@ -4,7 +4,7 @@ import org.jetbrains.kotlin.descriptors.FunctionDescriptor
 import org.jetbrains.kotlin.descriptors.annotations.*
 import org.jetbrains.kotlin.name.FqName
 
-private val annotationName = FqName("kotlin.Used")
+private val annotationName = FqName("konan.Used")
 
 internal val FunctionDescriptor.usedAnnotation: Boolean 
     get() {

runtime/src/main/kotlin/konan/Annotations.kt

@@ -0,0 +1,7 @@
+package konan
+
+/**
+ * Preserve the function entry point during global optimizations
+ */
+public annotation class Used
+

runtime/src/main/kotlin/kotlin/Annotations.kt

@@ -36,8 +36,3 @@ public annotation class Suppress(vararg val names: String)
 //@MustBeDocumented
 public annotation class UnsafeVariance
 
-/**
- * Preserve the function entry point during global optimizations
- */
-public annotation class Used
-