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nicolasstucki opened this issue May 27, 2020 · 1 comment
Closed

Scalaz broken in community build #9058

nicolasstucki opened this issue May 27, 2020 · 1 comment
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@anatoliykmetyuk
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area:community build itype:bug prio:blocker

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@nicolasstucki
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See https://github.com/lampepfl/dotty/runs/711628455?check_suite_focus=true and all subsequent CI tests

Output (click arrow to expand)

projects/scalaz/example/src/main/scala/scalaz/example/WriterUsage.scala, /__w/dotty/dotty/community-build/community-projects/scalaz/example/src/main/scala/scalaz/example/transformers/typecheck/TypeCheckerWithExplicitTypes.scala, /__w/dotty/dotty/community-build/community-projects/scalaz/example/src/main/scala/scalaz/example/transformers/typecheck/TypeCheckerWithExplicitTypesAST.scala, /__w/dotty/dotty/community-build/community-projects/scalaz/example/src/main/scala/scalaz/example/transformers/typecheck/TypeCheckerWithExplicitTypes_MonadTransformers.scala, /__w/dotty/dotty/community-build/community-projects/scalaz/example/src/main/scala/scalaz/example/transformers/typecheck/TypeCheckerWithExplicitTypes_Monadic.scala
2020-05-27T03:23:38.7575185Z [error] ## Exception when compiling 40 sources to /__w/dotty/dotty/community-build/community-projects/scalaz/example/target/scala-0.25/classes
2020-05-27T03:23:38.7575847Z [error] java.lang.IllegalArgumentException: Comparison method violates its general contract!
2020-05-27T03:23:38.7576951Z [error] java.util.TimSort.mergeLo(TimSort.java:777)
2020-05-27T03:23:38.7577229Z [error] java.util.TimSort.mergeAt(TimSort.java:514)
2020-05-27T03:23:38.7580691Z [error] java.util.TimSort.mergeCollapse(TimSort.java:441)
2020-05-27T03:23:38.7581024Z [error] java.util.TimSort.sort(TimSort.java:245)
2020-05-27T03:23:38.7581242Z [error] java.util.Arrays.sort(Arrays.java:1438)
2020-05-27T03:23:38.7581449Z [error] scala.collection.SeqOps.sorted(Seq.scala:703)
2020-05-27T03:23:38.7581639Z [error] scala.collection.SeqOps.sorted$(Seq.scala:695)
2020-05-27T03:23:38.7585599Z [error] scala.collection.immutable.List.scala$collection$immutable$StrictOptimizedSeqOps$$super$sorted(List.scala:79)
2020-05-27T03:23:38.7586031Z [error] scala.collection.immutable.StrictOptimizedSeqOps.sorted(StrictOptimizedSeqOps.scala:78)
2020-05-27T03:23:38.7586451Z [error] scala.collection.immutable.StrictOptimizedSeqOps.sorted$(StrictOptimizedSeqOps.scala:78)
2020-05-27T03:23:38.7586818Z [error] scala.collection.immutable.List.sorted(List.scala:79)
2020-05-27T03:23:38.7587057Z [error] scala.collection.SeqOps.sortWith(Seq.scala:730)
2020-05-27T03:23:38.7587332Z [error] scala.collection.SeqOps.sortWith$(Seq.scala:730)
2020-05-27T03:23:38.7587483Z [error] scala.collection.AbstractSeq.sortWith(Seq.scala:1152)
2020-05-27T03:23:38.7587759Z [error] dotty.tools.dotc.typer.Implicits$ImplicitSearch.sort$1(Implicits.scala:1193)
2020-05-27T03:23:38.7591191Z [error] dotty.tools.dotc.typer.Implicits$ImplicitSearch.searchImplicits(Implicits.scala:1196)
2020-05-27T03:23:38.7591875Z [error] dotty.tools.dotc.typer.Implicits$ImplicitSearch.bestImplicit(Implicits.scala:1217)
2020-05-27T03:23:38.7592496Z [error] dotty.tools.dotc.typer.Implicits.op$1(Implicits.scala:893)
2020-05-27T03:23:38.7593113Z [error] dotty.tools.dotc.typer.Implicits.inferImplicit(Implicits.scala:929)
2020-05-27T03:23:38.7593589Z [error] dotty.tools.dotc.typer.Typer.inferImplicit(Typer.scala:84)
2020-05-27T03:23:38.7594234Z [error] dotty.tools.dotc.typer.Implicits.inferImplicitArg(Implicits.scala:698)
2020-05-27T03:23:38.7594501Z [error] dotty.tools.dotc.typer.Typer.inferImplicitArg(Typer.scala:84)
2020-05-27T03:23:38.7594747Z [error] dotty.tools.dotc.typer.Typer.implicitArgs$2(Typer.scala:2934)
2020-05-27T03:23:38.7594987Z [error] dotty.tools.dotc.typer.Typer.addImplicitArgs$3(Typer.scala:2957)
2020-05-27T03:23:38.7595215Z [error] dotty.tools.dotc.typer.Typer.adaptNoArgsImplicitMethod$2(Typer.scala:3023)
2020-05-27T03:23:38.7595472Z [error] dotty.tools.dotc.typer.Typer.adaptNoArgs$1(Typer.scala:3196)
2020-05-27T03:23:38.7595708Z [error] dotty.tools.dotc.typer.Typer.adapt1(Typer.scala:3471)
2020-05-27T03:23:38.7595941Z [error] dotty.tools.dotc.typer.Typer.op$3(Typer.scala:2804)
2020-05-27T03:23:38.7596174Z [error] dotty.tools.dotc.typer.Typer.adapt(Typer.scala:2805)
2020-05-27T03:23:38.7596391Z [error] dotty.tools.dotc.typer.Typer.op$1(Typer.scala:2470)
2020-05-27T03:23:38.7596633Z [error] dotty.tools.dotc.typer.Typer.typed(Typer.scala:2479)
2020-05-27T03:23:38.7596938Z [error] dotty.tools.dotc.typer.Typer.typed(Typer.scala:2482)
2020-05-27T03:23:38.7597346Z [error] dotty.tools.dotc.typer.Namer.typedAheadExpr$$anonfun$1(Namer.scala:1336)
2020-05-27T03:23:38.7597871Z [error] dotty.tools.dotc.typer.Namer.typedAhead(Namer.scala:1326)
2020-05-27T03:23:38.7598262Z [error] dotty.tools.dotc.typer.Namer.typedAheadExpr(Namer.scala:1336)
2020-05-27T03:23:38.7598682Z [error] dotty.tools.dotc.typer.Namer.rhsType$2(Namer.scala:1482)
2020-05-27T03:23:38.7599091Z [error] dotty.tools.dotc.typer.Namer.cookedRhsType$1(Namer.scala:1493)
2020-05-27T03:23:38.7599502Z [error] dotty.tools.dotc.typer.Namer.lhsType$1(Namer.scala:1494)
2020-05-27T03:23:38.7599740Z [error] dotty.tools.dotc.typer.Namer.inferredType$1(Namer.scala:1505)
2020-05-27T03:23:38.7599979Z [error] dotty.tools.dotc.typer.Namer.valOrDefDefSig(Namer.scala:1513)
2020-05-27T03:23:38.7600418Z [error] dotty.tools.dotc.typer.Namer$Completer.typeSig(Namer.scala:812)
2020-05-27T03:23:38.7600765Z [error] dotty.tools.dotc.typer.Namer$Completer.completeInCreationContext(Namer.scala:933)
2020-05-27T03:23:38.7601242Z [error] dotty.tools.dotc.typer.Namer$Completer.complete(Namer.scala:844)
2020-05-27T03:23:38.7601678Z [error] dotty.tools.dotc.core.SymDenotations$SymDenotation.completeFrom(SymDenotations.scala:259)
2020-05-27T03:23:38.7602247Z [error] dotty.tools.dotc.core.Denotations$Denotation.completeInfo$1(Denotations.scala:186)
2020-05-27T03:23:38.7602705Z [error] dotty.tools.dotc.core.Denotations$Denotation.info(Denotations.scala:188)
2020-05-27T03:23:38.7603170Z [error] dotty.tools.dotc.core.SymDenotations$SymDenotation.ensureCompleted(SymDenotations.scala:446)
2020-05-27T03:23:38.7603643Z [error] dotty.tools.dotc.typer.Typer.retrieveSym(Typer.scala:2313)
2020-05-27T03:23:38.7604053Z [error] dotty.tools.dotc.typer.Typer.typedNamed$1(Typer.scala:2338)
2020-05-27T03:23:38.7604401Z [error] dotty.tools.dotc.typer.Typer.typedUnadapted(Typer.scala:2430)
2020-05-27T03:23:38.7604652Z [error] dotty.tools.dotc.typer.Typer.op$1(Typer.scala:2470)
2020-05-27T03:23:38.7604949Z [error] dotty.tools.dotc.typer.Typer.typed(Typer.scala:2479)
2020-05-27T03:23:38.7605176Z [error] dotty.tools.dotc.typer.Typer.typed(Typer.scala:2482)
2020-05-27T03:23:38.7605385Z [error] dotty.tools.dotc.typer.Typer.traverse$1(Typer.scala:2504)
2020-05-27T03:23:38.7605618Z [error] dotty.tools.dotc.typer.Typer.typedStats(Typer.scala:2549)
2020-05-27T03:23:38.7605851Z [error] dotty.tools.dotc.typer.Typer.typedBlockStats(Typer.scala:848)
2020-05-27T03:23:38.7606092Z [error] dotty.tools.dotc.typer.Typer.typedBlock(Typer.scala:852)
2020-05-27T03:23:38.7606434Z [error] dotty.tools.dotc.typer.Typer.typedUnnamed$1(Typer.scala:2379)
2020-05-27T03:23:38.7606650Z [error] dotty.tools.dotc.typer.Typer.typedUnadapted(Typer.scala:2431)
2020-05-27T03:23:38.7606882Z [error] dotty.tools.dotc.typer.Typer.op$1(Typer.scala:2470)
2020-05-27T03:23:38.7607119Z [error] dotty.tools.dotc.typer.Typer.typed(Typer.scala:2479)
2020-05-27T03:23:38.7607484Z [error] dotty.tools.dotc.typer.Typer.typed(Typer.scala:2482)
2020-05-27T03:23:38.7607701Z [error] dotty.tools.dotc.typer.Typer.traverse$1(Typer.scala:2527)
2020-05-27T03:23:38.7607935Z [error] dotty.tools.dotc.typer.Typer.typedStats(Typer.scala:2549)
2020-05-27T03:23:38.7608168Z [error] dotty.tools.dotc.typer.Typer.typedClassDef(Typer.scala:2029)
2020-05-27T03:23:38.7608419Z [error] dotty.tools.dotc.typer.Typer.typedTypeOrClassDef$2(Typer.scala:2359)
2020-05-27T03:23:38.7608709Z [error] dotty.tools.dotc.typer.Typer.typedNamed$1(Typer.scala:2363)
2020-05-27T03:23:38.7608919Z [error] dotty.tools.dotc.typer.Typer.typedUnadapted(Typer.scala:2430)
2020-05-27T03:23:38.7609153Z [error] dotty.tools.dotc.typer.Typer.op$1(Typer.scala:2470)
2020-05-27T03:23:38.7609381Z [error] dotty.tools.dotc.typer.Typer.typed(Typer.scala:2479)
2020-05-27T03:23:38.7609616Z [error] dotty.tools.dotc.typer.Typer.typed(Typer.scala:2482)
2020-05-27T03:23:38.7609821Z [error] dotty.tools.dotc.typer.Typer.traverse$1(Typer.scala:2504)
2020-05-27T03:23:38.7610055Z [error] dotty.tools.dotc.typer.Typer.typedStats(Typer.scala:2549)
2020-05-27T03:23:38.7610284Z [error] dotty.tools.dotc.typer.Typer.typedPackageDef(Typer.scala:2155)
2020-05-27T03:23:38.7610521Z [error] dotty.tools.dotc.typer.Typer.typedUnnamed$1(Typer.scala:2403)
2020-05-27T03:23:38.7610761Z [error] dotty.tools.dotc.typer.Typer.typedUnadapted(Typer.scala:2431)
2020-05-27T03:23:38.7610978Z [error] dotty.tools.dotc.typer.Typer.op$1(Typer.scala:2470)
2020-05-27T03:23:38.7611210Z [error] dotty.tools.dotc.typer.Typer.typed(Typer.scala:2479)
2020-05-27T03:23:38.7611434Z [error] dotty.tools.dotc.typer.Typer.typed(Typer.scala:2482)
2020-05-27T03:23:38.7611659Z [error] dotty.tools.dotc.typer.Typer.typedExpr(Typer.scala:2593)
2020-05-27T03:23:38.7611867Z [error] dotty.tools.dotc.typer.FrontEnd.liftedTree1$1(FrontEnd.scala:79)
2020-05-27T03:23:38.7612239Z [error] dotty.tools.dotc.typer.FrontEnd.typeCheck$$anonfun$1(FrontEnd.scala:84)
2020-05-27T03:23:38.7612504Z [error] dotty.runtime.function.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:12)
2020-05-27T03:23:38.7612753Z [error] dotty.tools.dotc.typer.FrontEnd.monitor(FrontEnd.scala:42)
2020-05-27T03:23:38.7613382Z [error] dotty.tools.dotc.typer.FrontEnd.typeCheck(FrontEnd.scala:85)
2020-05-27T03:23:38.7613739Z [error] dotty.tools.dotc.typer.FrontEnd.runOn$$anonfun$3(FrontEnd.scala:114)
2020-05-27T03:23:38.7613981Z [error] dotty.runtime.function.JProcedure1.apply(JProcedure1.java:15)
2020-05-27T03:23:38.7614325Z [error] dotty.runtime.function.JProcedure1.apply(JProcedure1.java:10)
2020-05-27T03:23:38.7614563Z [error] scala.collection.immutable.List.foreach(List.scala:333)
2020-05-27T03:23:38.7614791Z [error] dotty.tools.dotc.typer.FrontEnd.runOn(FrontEnd.scala:114)
2020-05-27T03:23:38.7614997Z [error] dotty.tools.dotc.Run.runPhases$4$$anonfun$4(Run.scala:165)
2020-05-27T03:23:38.7615239Z [error] dotty.runtime.function.JProcedure1.apply(JProcedure1.java:15)
2020-05-27T03:23:38.7615468Z [error] dotty.runtime.function.JProcedure1.apply(JProcedure1.java:10)
2020-05-27T03:23:38.7615707Z [error] scala.collection.ArrayOps$.foreach$extension(ArrayOps.scala:1323)
2020-05-27T03:23:38.7615942Z [error] dotty.tools.dotc.Run.runPhases$5(Run.scala:175)
2020-05-27T03:23:38.7616150Z [error] dotty.tools.dotc.Run.compileUnits$$anonfun$1(Run.scala:183)
2020-05-27T03:23:38.7616492Z [error] dotty.runtime.function.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:12)
2020-05-27T03:23:38.7616737Z [error] dotty.tools.dotc.util.Stats$.maybeMonitored(Stats.scala:64)
2020-05-27T03:23:38.7617016Z [error] dotty.tools.dotc.Run.compileUnits(Run.scala:190)
2020-05-27T03:23:38.7617221Z [error] dotty.tools.dotc.Run.compileSources(Run.scala:127)
2020-05-27T03:23:38.7617446Z [error] dotty.tools.dotc.Run.compile(Run.scala:110)
2020-05-27T03:23:38.7617673Z [error] dotty.tools.dotc.Driver.doCompile(Driver.scala:38)
2020-05-27T03:23:38.7617910Z [error] dotty.tools.dotc.Driver.process(Driver.scala:194)
2020-05-27T03:23:38.7618128Z [error] dotty.tools.dotc.Main.process(Main.scala)
2020-05-27T03:23:38.7618454Z [error] xsbt.CachedCompilerImpl.run(CachedCompilerImpl.java:69)
2020-05-27T03:23:38.7618699Z [error] xsbt.CompilerInterface.run(CompilerInterface.java:41)
2020-05-27T03:23:38.7618927Z [error] sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2020-05-27T03:23:38.7619172Z [error] sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
2020-05-27T03:23:38.7619415Z [error] sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
2020-05-27T03:23:38.7619671Z [error] java.lang.reflect.Method.invoke(Method.java:498)
2020-05-27T03:23:38.7619901Z [error] sbt.internal.inc.AnalyzingCompiler.call(AnalyzingCompiler.scala:248)
2020-05-27T03:23:38.7620147Z [error] sbt.internal.inc.AnalyzingCompiler.compile(AnalyzingCompiler.scala:122)
2020-05-27T03:23:38.7620392Z [error] sbt.internal.inc.AnalyzingCompiler.compile(AnalyzingCompiler.scala:95)
2020-05-27T03:23:38.7620649Z [error] sbt.internal.inc.MixedAnalyzingCompiler.$anonfun$compile$4(MixedAnalyzingCompiler.scala:91)
2020-05-27T03:23:38.7620914Z [error] scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
2020-05-27T03:23:38.7621167Z [error] sbt.internal.inc.MixedAnalyzingCompiler.timed(MixedAnalyzingCompiler.scala:186)
2020-05-27T03:23:38.7621432Z [error] sbt.internal.inc.MixedAnalyzingCompiler.$anonfun$compile$3(MixedAnalyzingCompiler.scala:82)
2020-05-27T03:23:38.7621707Z [error] sbt.internal.inc.MixedAnalyzingCompiler.$anonfun$compile$3$adapted(MixedAnalyzingCompiler.scala:77)
2020-05-27T03:23:38.7621940Z [error] sbt.internal.inc.JarUtils$.withPreviousJar(JarUtils.scala:215)
2020-05-27T03:23:38.7622192Z [error] sbt.internal.inc.MixedAnalyzingCompiler.compileScala$1(MixedAnalyzingCompiler.scala:77)
2020-05-27T03:23:38.7622460Z [error] sbt.internal.inc.MixedAnalyzingCompiler.compile(MixedAnalyzingCompiler.scala:146)
2020-05-27T03:23:38.7622850Z [error] sbt.internal.inc.IncrementalCompilerImpl.$anonfun$compileInternal$1(IncrementalCompilerImpl.scala:343)
2020-05-27T03:23:38.7623135Z [error] sbt.internal.inc.IncrementalCompilerImpl.$anonfun$compileInternal$1$adapted(IncrementalCompilerImpl.scala:343)
2020-05-27T03:23:38.7623372Z [error] sbt.internal.inc.Incremental$.doCompile(Incremental.scala:120)
2020-05-27T03:23:38.7623618Z [error] sbt.internal.inc.Incremental$.$anonfun$compile$4(Incremental.scala:100)
2020-05-27T03:23:38.7623866Z [error] sbt.internal.inc.IncrementalCommon.recompileClasses(IncrementalCommon.scala:180)
2020-05-27T03:23:38.7624112Z [error] sbt.internal.inc.IncrementalCommon.cycle(IncrementalCommon.scala:98)
2020-05-27T03:23:38.7624356Z [error] sbt.internal.inc.Incremental$.$anonfun$compile$3(Incremental.scala:102)
2020-05-27T03:23:38.7624576Z [error] sbt.internal.inc.Incremental$.manageClassfiles(Incremental.scala:155)
2020-05-27T03:23:38.7624815Z [error] sbt.internal.inc.Incremental$.compile(Incremental.scala:92)
2020-05-27T03:23:38.7625060Z [error] sbt.internal.inc.IncrementalCompile$.apply(Compile.scala:75)
2020-05-27T03:23:38.7625412Z [error] sbt.internal.inc.IncrementalCompilerImpl.compileInternal(IncrementalCompilerImpl.scala:348)
2020-05-27T03:23:38.7625664Z [error] sbt.internal.inc.IncrementalCompilerImpl.$anonfun$compileIncrementally$1(IncrementalCompilerImpl.scala:301)
2020-05-27T03:23:38.7625939Z [error] sbt.internal.inc.IncrementalCompilerImpl.handleCompilationError(IncrementalCompilerImpl.scala:168)
2020-05-27T03:23:38.7626209Z [error] sbt.internal.inc.IncrementalCompilerImpl.compileIncrementally(IncrementalCompilerImpl.scala:248)
2020-05-27T03:23:38.7626472Z [error] sbt.internal.inc.IncrementalCompilerImpl.compile(IncrementalCompilerImpl.scala:74)
2020-05-27T03:23:38.7626720Z [error] sbt.Defaults$.compileIncrementalTaskImpl(Defaults.scala:1762)
2020-05-27T03:23:38.7626936Z [error] sbt.Defaults$.$anonfun$compileIncrementalTask$1(Defaults.scala:1735)
2020-05-27T03:23:38.7627174Z [error] scala.Function1.$anonfun$compose$1(Function1.scala:49)
2020-05-27T03:23:38.7627424Z [error] sbt.internal.util.$tilde$greater.$anonfun$$u2219$1(TypeFunctions.scala:62)
2020-05-27T03:23:38.7627760Z [error] sbt.std.Transform$$anon$4.work(Transform.scala:67)
2020-05-27T03:23:38.7627994Z [error] sbt.Execute.$anonfun$submit$2(Execute.scala:281)
2020-05-27T03:23:38.7628204Z [error] sbt.internal.util.ErrorHandling$.wideConvert(ErrorHandling.scala:19)
2020-05-27T03:23:38.7628449Z [error] sbt.Execute.work(Execute.scala:290)
2020-05-27T03:23:38.7628668Z [error] sbt.Execute.$anonfun$submit$1(Execute.scala:281)
2020-05-27T03:23:38.7628908Z [error] sbt.ConcurrentRestrictions$$anon$4.$anonfun$submitValid$1(ConcurrentRestrictions.scala:178)
2020-05-27T03:23:38.7629134Z [error] sbt.CompletionService$$anon$2.call(CompletionService.scala:37)
2020-05-27T03:23:38.7629372Z [error] java.util.concurrent.FutureTask.run(FutureTask.java:266)
2020-05-27T03:23:38.7629633Z [error] java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
2020-05-27T03:23:38.7629888Z [error] java.util.concurrent.FutureTask.run(FutureTask.java:266)
2020-05-27T03:23:38.7630134Z [error] java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
2020-05-27T03:23:38.7630372Z [error] java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
2020-05-27T03:23:38.7630612Z [error] java.lang.Thread.run(Thread.java:748)
2020-05-27T03:23:38.7630897Z [error]    ```
</details>
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smarter commented May 27, 2020

@odersky Looks like the function used by this sortWith call is not a valid sort function: https://github.com/lampepfl/dotty/blob/587945b838aad3c390be1ee286f3ed51fb7f9f82/compiler/src/dotty/tools/dotc/typer/Implicits.scala#L1193

@anatoliykmetyuk anatoliykmetyuk mentioned this issue May 27, 2020
Merged
anatoliykmetyuk added a commit to dotty-staging/dotty that referenced this issue May 27, 2020
@anatoliykmetyuk
Fix scala#9058: the sorting function's if-statements for implicit loo…
6cd3b70 
…kup are 'total'

'Total' in the sense of explicitly specifying all possible cases. See https://stackoverflow.com/a/11441813 for a similar error.
anatoliykmetyuk added a commit to dotty-staging/dotty that referenced this issue May 27, 2020
@anatoliykmetyuk
Fix scala#9058: the sorting function's if-statements for implicit loo…
be622cb 
…kup are 'total'

'Total' in the sense of explicitly specifying all possible cases. See https://stackoverflow.com/a/11441813 for a similar error.
anatoliykmetyuk added a commit to dotty-staging/dotty that referenced this issue May 27, 2020
@anatoliykmetyuk
Fix scala#9058: the sorting function's if-statements for implicit loo…
f5bfc81 
…kup are 'total'

'Total' in the sense of explicitly specifying all possible cases. See https://stackoverflow.com/a/11441813 for a similar error.
anatoliykmetyuk added a commit to dotty-staging/dotty that referenced this issue May 27, 2020
@anatoliykmetyuk
Reproduce scala#9058
b1455be
@anatoliykmetyuk anatoliykmetyuk linked a pull request May 27, 2020 that will close this issue
Fix #9058: disable failing performance optimization during implicits lookup #9060
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odersky added a commit to dotty-staging/dotty that referenced this issue May 28, 2020
@odersky
Fix scala#9058: Make implicit search preference relation transitive
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anatoliykmetyuk added a commit that referenced this issue May 28, 2020
@anatoliykmetyuk
Merge pull request #9065 from dotty-staging/fix-#9058b
078fcb7 
Fix #9058: Make implicit search preference relation transitive
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Fix #9058: disable failing performance optimization during implicits lookup dotty-staging/dotty
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