This should be fixed in 1.1.4 according to https://youtrack.jetbrains.com/issue/KT-9900
Kirill Rakhman
13

Kotlin 1.1.50 now also optimizes inclusion tests for ranges of Comparable types. I updated the article to reflect that as well.

One clap, two clap, three clap, forty?

By clapping more or less, you can signal to us which stories really stand out.