Allow to annotate generated code as jvm-only.

libraries/tools/kotlin-stdlib-gen/src/templates/Engine.kt

@@ -105,6 +105,7 @@ class GenericFunction(val signature: String, val keyword: String = "fun") {
     val doc = FamilyProperty<String>()
     val platformName = PrimitiveProperty<String>()
     val inline = FamilyProperty<Boolean>()
+    val jvmOnly = FamilyProperty<Boolean>()
     val typeParams = ArrayList<String>()
     val returns = FamilyProperty<String>()
     val operator = FamilyProperty<Boolean>()
@@ -364,6 +365,10 @@ class GenericFunction(val signature: String, val keyword: String = "fun") {
                     ?.let { platformName -> builder.append("@kotlin.jvm.JvmName(\"${platformName}\")\n")}
         }
 
+        if (jvmOnly[f] ?: false) {
+            builder.append("@kotlin.jvm.JvmVersion\n")
+        }
+
         annotations[f]?.let { builder.append(it).append('\n') }
 
         builder.append("public ")

libraries/tools/kotlin-stdlib-gen/src/templates/SpecialJVM.kt

@@ -258,5 +258,7 @@ fun specialJVM(): List<GenericFunction> {
         }
     }
 
+    templates.forEach { it.jvmOnly(true) }
+
     return templates
 }