Renamed JetType.isNullable() to isMarkedNullable()

idea/ide-common/src/org/jetbrains/jet/plugin/util/FuzzyType.kt

@@ -41,7 +41,7 @@ fun CallableDescriptor.fuzzyExtensionReceiverType(): FuzzyType? {
 
 fun FuzzyType.makeNotNullable() = FuzzyType(type.makeNotNullable(), freeParameters)
 fun FuzzyType.makeNullable() = FuzzyType(type.makeNullable(), freeParameters)
-fun FuzzyType.isNullable() = type.isNullable()
+fun FuzzyType.isNullable() = type.isMarkedNullable()
 
 class FuzzyType(
         val type: JetType,

idea/ide-common/src/org/jetbrains/jet/plugin/util/TypeUtils.kt

@@ -59,7 +59,7 @@ public fun approximateFlexibleTypes(jetType: JetType, outermost: Boolean = true)
     return JetTypeImpl(
             jetType.getAnnotations(),
             jetType.getConstructor(),
-            jetType.isNullable(),
+            jetType.isMarkedNullable(),
             jetType.getArguments().map { TypeProjectionImpl(it.getProjectionKind(), approximateFlexibleTypes(it.getType(), false)) },
             ErrorUtils.createErrorScope("This type is not supposed to be used in member resolution", true)
     )