1f8d42ab498c2f5a4c653d29119b6b37763d4ac4,compiler/backend/src/org/jetbrains/jet/codegen/CodegenUtil.java,CodegenUtil,isNullableType,#JetType#,288

Before Change


        if (type.getConstructor().getDeclarationDescriptor() instanceof TypeParameterDescriptor) {
            return TypeUtils.hasNullableSuperType(type);
        }
        return type.isNullable();
    }
}

After Change


     * @return true if a value of this type can be null
     */
    public static boolean isNullableType(@NotNull JetType type) {
        if (type.isNullable()) {
            return true;
        }
        if (type.getConstructor().getDeclarationDescriptor() instanceof TypeParameterDescriptor) {
            return TypeUtils.hasNullableSuperType(type);