import scala.reflect.runtime.universe._ import scala.reflect.runtime.{currentMirror => cm} object Test extends App { val mutant = new { val x = 2 } val c = cm.classSymbol(mutant.getClass) !=(c) println(c.fullName) c.info.toString.lines .filter(_ != " private var bitmap$init$0: Boolean") foreach println } 

exception while transforming Test.!=(Test.c) of class class dotty.tools.dotc.ast.Trees$Apply # 285 exception while transforming () extends Object() with App { val mutant: Object = { final class $anon() extends Object() { val x: Int = 2 } new Object{...}(): Object } val c: scala.reflect.runtime.package.universe.ClassSymbol = scala.reflect.runtime.currentMirror.classSymbol(Test.mutant.getClass()) Test.!=(Test.c) println(Test.c.fullName) augmentString(Test.c.info.toString()).lines.filter( { def $anonfun(_$1: String): Boolean = _$1.!=(" private var bitmap$init$0: Boolean") closure($anonfun) } ).foreach[Unit^]( { def $anonfun(x: Any): Unit^ = println(x) closure($anonfun) } ) } of class class dotty.tools.dotc.ast.Trees$Template # 306 exception while transforming @scala.annotation.internal.SourceFile("abc.scala") final module class Test$() extends Object() with App { val mutant: Object = { final class $anon() extends Object() { val x: Int = 2 } new Object{...}(): Object } val c: scala.reflect.runtime.package.universe.ClassSymbol = scala.reflect.runtime.currentMirror.classSymbol(Test.mutant.getClass()) Test.!=(Test.c) println(Test.c.fullName) augmentString(Test.c.info.toString()).lines.filter( { def $anonfun(_$1: String): Boolean = _$1.!=(" private var bitmap$init$0: Boolean") closure($anonfun) } ).foreach[Unit^]( { def $anonfun(x: Any): Unit^ = println(x) closure($anonfun) } ) } of class class dotty.tools.dotc.ast.Trees$TypeDef # 307 exception while transforming package <empty> { final lazy module val Test: Test$ = new Test$() @scala.annotation.internal.SourceFile("abc.scala") final module class Test$() extends Object() with App { val mutant: Object = { final class $anon() extends Object() { val x: Int = 2 } new Object{...}(): Object } val c: scala.reflect.runtime.package.universe.ClassSymbol = scala.reflect.runtime.currentMirror.classSymbol(Test.mutant.getClass()) Test.!=(Test.c) println(Test.c.fullName) augmentString(Test.c.info.toString()).lines.filter( { def $anonfun(_$1: String): Boolean = _$1.!=(" private var bitmap$init$0: Boolean") closure($anonfun) } ).foreach[Unit^]( { def $anonfun(x: Any): Unit^ = println(x) closure($anonfun) } ) } } of class class dotty.tools.dotc.ast.Trees$PackageDef # 308 exception occurred while compiling abc.scala Exception in thread "main" scala.MatchError: Ident($bang$eq) (of class dotty.tools.dotc.ast.Trees$Ident) at dotty.tools.dotc.transform.InterceptedMethods.qual$lzycompute$1(InterceptedMethods.scala:99) at dotty.tools.dotc.transform.InterceptedMethods.qual$1(InterceptedMethods.scala:99) at dotty.tools.dotc.transform.InterceptedMethods.transformApply(InterceptedMethods.scala:106) at dotty.tools.dotc.transform.TreeTransforms$TreeTransformer.goApply(TreeTransform.scala:602) at dotty.tools.dotc.transform.TreeTransforms$TreeTransformer.transformUnnamed(TreeTransform.scala:1005) at dotty.tools.dotc.transform.TreeTransforms$TreeTransformer$$anonfun$transform$2.apply(TreeTransform.scala:1179) at dotty.tools.dotc.transform.TreeTransforms$TreeTransformer$$anonfun$transform$2.apply(TreeTransform.scala:1171) at dotty.tools.dotc.reporting.Reporting$class.traceIndented(Reporter.scala:132) at dotty.tools.dotc.core.Contexts$Context.traceIndented(Contexts.scala:57) <snipped>