exception in ksp compilation about ksp HOT 5 CLOSED

import com.tschuchort.compiletesting.KotlinCompilation
import com.tschuchort.compiletesting.SourceFile
import com.tschuchort.compiletesting.symbolProcessors
import org.jetbrains.kotlin.ksp.getDeclaredFunctions
import org.jetbrains.kotlin.ksp.processing.CodeGenerator
import org.jetbrains.kotlin.ksp.processing.Resolver
import org.jetbrains.kotlin.ksp.processing.SymbolProcessor
import org.junit.Test

class ReturnTypeBug {
    class ReturnTypeBug_Processor() : SymbolProcessor {
        override fun finish() {

        }

        override fun init(options: Map<String, String>, kotlinVersion: KotlinVersion, codeGenerator: CodeGenerator) {

        }

        override fun process(resolver: Resolver) {
            val books = resolver.getClassDeclarationByName(
                resolver.getKSNameFromString("Books")
            ) ?: error("")
            val subject = books.getDeclaredFunctions().first {
                it.simpleName.asString() == "getDefaultBook"
            }
            val resolved = subject.returnType?.resolve()
            check(resolved?.toString() == "Book")
        }
    }

    @Test
    fun repro() {
        val annotation = SourceFile.java("TestTarget.java", """
            import java.lang.annotation.ElementType;
            import java.lang.annotation.Target;
            
            @Target({ElementType.METHOD})
            public @interface TestTarget {
            }
        """.trimIndent())
        val book = SourceFile.kotlin("Book.kt", """
            data class Book(val name:String)
        """.trimIndent())
        val books = SourceFile.kotlin("Books.kt", """
            interface Books {
                @TestTarget
                fun getDefaultBook() = getBook("default")
                fun getBook(name : String) : Book
            }
        """.trimIndent())
        val result = KotlinCompilation().apply {
            sources = listOf(book, books, annotation)
            symbolProcessors(ReturnTypeBug_Processor::class.java)
        }.compile()
        check(result.exitCode == KotlinCompilation.ExitCode.OK)
    }
}