Forward compatibility hacks for Result.{success, failure}

Don't mangled functions annotated with @JvmName.
Annotate 'Result.success' and 'Result.failure' with @JvmName and
@Suppress("INAPPLICABLE_JVM_NAME").
NB this would require bootstrap.

compiler/testData/versionRequirement/inlineClassReturnTypeMangled.kt

@@ -5,6 +5,10 @@ inline class IC(val x: Int)
 class C {
     fun returnsInlineClassType(): IC = IC(42)
     val propertyOfInlineClassType: IC get() = IC(42)
+
+    @Suppress("INAPPLICABLE_JVM_NAME")
+    @JvmName("returnsInlineClassTypeJvmName")
+    fun returnsInlineClassTypeJvmName(): IC = IC(42)
 }
 
 fun returnsInlineClassType(): IC = IC(42)