This fails internally in kotlinc when I test it. Also effectively blocks updating to Kotlin 1.5.0
Caused by: java.lang.AssertionError: IR backend shouldn't call KotlinTypeMapper.mapType: TestClass
at org.jetbrains.kotlin.codegen.state.KotlinTypeMapper.mapType(KotlinTypeMapper.kt:271)
at org.jetbrains.kotlin.codegen.state.KotlinTypeMapper.mapClass(KotlinTypeMapper.kt:232)
at org.jetbrains.kotlin.codegen.MemberCodegen.genClassOrObject(MemberCodegen.java:300)
at org.jetbrains.kotlin.codegen.MemberCodegen.genClassOrObject(MemberCodegen.java:289)
at org.jetbrains.kotlin.codegen.PackageCodegenImpl.generateClassesAndObjectsInFile(PackageCodegenImpl.java:119)
at org.jetbrains.kotlin.codegen.PackageCodegenImpl.generateFile(PackageCodegenImpl.java:138)
at org.jetbrains.kotlin.codegen.PackageCodegenImpl.generate(PackageCodegenImpl.java:70)
... 74 more
This fails internally in kotlinc when I test it. Also effectively blocks updating to Kotlin 1.5.0