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Crash compiling Type.of[Tuple.Zip[m.MirroredElemLabels, m.MirroredElemTypes]] #11795

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japgolly opened this issue Mar 17, 2021 · 3 comments · Fixed by #12444
Closed

Crash compiling Type.of[Tuple.Zip[m.MirroredElemLabels, m.MirroredElemTypes]] #11795

japgolly opened this issue Mar 17, 2021 · 3 comments · Fixed by #12444
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@nicolasstucki
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itype:bug itype:crash

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@japgolly
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Compiler version

3.0.0-RC1

Minimized code

  def blah[P <: Product]
      (m: Mirror.ProductOf[P])
      (using Quotes, Type[m.MirroredElemLabels], Type[m.MirroredElemTypes]) = {
    type z = Tuple.Zip[m.MirroredElemLabels, m.MirroredElemTypes]
    Type.of[z] // crash
    ()
  }

Output (click arrow to expand)

[error] scala.MatchError: NoType (of class dotty.tools.dotc.core.Types$NoType$)
[error] dotty.tools.dotc.core.tasty.TreePickler.pickleNewType(TreePickler.scala:302)
[error] dotty.tools.dotc.core.tasty.TreePickler.pickleType(TreePickler.scala:171)
[error] dotty.tools.dotc.core.tasty.TreePickler.pickleTree$$anonfun$37(TreePickler.scala:657)
[error] dotty.tools.dotc.core.tasty.TreePickler.withLength(TreePickler.scala:69)
[error] dotty.tools.dotc.core.tasty.TreePickler.pickleTree(TreePickler.scala:659)
[error] dotty.tools.dotc.core.tasty.TreePickler.pickleTree$$anonfun$36(TreePickler.scala:646)
[error] dotty.tools.dotc.core.tasty.TreePickler.withLength(TreePickler.scala:69)
[error] dotty.tools.dotc.core.tasty.TreePickler.pickleTree(TreePickler.scala:652)
[error] dotty.tools.dotc.core.tasty.TreePickler.pickleTpt(TreePickler.scala:327)
[error] dotty.tools.dotc.core.tasty.TreePickler.pickleDef$$anonfun$1(TreePickler.scala:343)
[error] dotty.tools.dotc.core.tasty.TreePickler.withLength(TreePickler.scala:69)
[error] dotty.tools.dotc.core.tasty.TreePickler.pickleDef(TreePickler.scala:347)
[error] dotty.tools.dotc.core.tasty.TreePickler.pickleTree(TreePickler.scala:568)
[error] dotty.tools.dotc.core.tasty.TreePickler.pickleTree$$anonfun$40$$anonfun$1(TreePickler.scala:479)
[error] scala.runtime.function.JProcedure1.apply(JProcedure1.java:15)
[error] scala.runtime.function.JProcedure1.apply(JProcedure1.java:10)
[error] scala.collection.immutable.List.foreach(List.scala:333)
[error] dotty.tools.dotc.core.tasty.TreePickler.pickleTree$$anonfun$9(TreePickler.scala:479)
[error] dotty.tools.dotc.core.tasty.TreePickler.withLength(TreePickler.scala:69)
[error] dotty.tools.dotc.core.tasty.TreePickler.pickleTree(TreePickler.scala:479)
[error] dotty.tools.dotc.core.tasty.TreePickler.pickle$$anonfun$1(TreePickler.scala:778)
[error] scala.runtime.function.JProcedure1.apply(JProcedure1.java:15)
[error] scala.runtime.function.JProcedure1.apply(JProcedure1.java:10)
[error] scala.collection.immutable.List.foreach(List.scala:333)
[error] dotty.tools.dotc.core.tasty.TreePickler.pickle(TreePickler.scala:778)
[error] dotty.tools.dotc.quoted.PickledQuotes$.pickle(PickledQuotes.scala:166)
[error] dotty.tools.dotc.quoted.PickledQuotes$.pickleQuote(PickledQuotes.scala:37)
[error] dotty.tools.dotc.transform.PickleQuotes$QuoteReifier.pickleAsTasty$1(PickleQuotes.scala:222)
[error] dotty.tools.dotc.transform.PickleQuotes$QuoteReifier.pickledQuote(PickleQuotes.scala:301)
[error] dotty.tools.dotc.transform.PickleQuotes$QuoteReifier.transformQuotation(PickleQuotes.scala:142)
[error] dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:114)
[error] dotty.tools.dotc.transform.PickleQuotes$QuoteReifier.transform(PickleQuotes.scala:514)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1315)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:120)
[error] dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:85)
[error] dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:148)
[error] dotty.tools.dotc.transform.PickleQuotes$QuoteReifier.transform(PickleQuotes.scala:514)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1321)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:120)
[error] dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:104)
[error] dotty.tools.dotc.transform.PickleQuotes$QuoteReifier.transform(PickleQuotes.scala:514)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform$$anonfun$1(Trees.scala:1422)
[error] scala.collection.immutable.List.mapConserve(List.scala:472)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1422)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transformStats(Trees.scala:1420)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1335)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:92)
[error] dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:85)
[error] dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:136)
[error] dotty.tools.dotc.transform.PickleQuotes$QuoteReifier.transform(PickleQuotes.scala:514)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:99)
[error] dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:85)
[error] dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:148)
[error] dotty.tools.dotc.transform.PickleQuotes$QuoteReifier.transform(PickleQuotes.scala:514)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.traverse$1(TreeMapWithImplicits.scala:53)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.transformStats(TreeMapWithImplicits.scala:60)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.recur$1(TreeMapWithImplicits.scala:35)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.recur$1(TreeMapWithImplicits.scala:41)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.traverse$1(TreeMapWithImplicits.scala:54)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.transformStats(TreeMapWithImplicits.scala:60)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.recur$1(TreeMapWithImplicits.scala:35)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.recur$1(TreeMapWithImplicits.scala:41)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.recur$1(TreeMapWithImplicits.scala:41)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.traverse$1(TreeMapWithImplicits.scala:54)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.transformStats(TreeMapWithImplicits.scala:60)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:111)
[error] dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:85)
[error] dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:148)
[error] dotty.tools.dotc.transform.PickleQuotes$QuoteReifier.transform(PickleQuotes.scala:514)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1398)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:104)
[error] dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:85)
[error] dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:148)
[error] dotty.tools.dotc.transform.PickleQuotes$QuoteReifier.transform(PickleQuotes.scala:514)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform$$anonfun$1(Trees.scala:1422)
[error] scala.collection.immutable.List.mapConserve(List.scala:472)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1422)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transformStats(Trees.scala:1420)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1407)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:104)
[error] dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:85)
[error] dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:148)
[error] dotty.tools.dotc.transform.PickleQuotes$QuoteReifier.transform(PickleQuotes.scala:514)
[error] dotty.tools.dotc.transform.PickleQuotes$$anon$1.transform(PickleQuotes.scala:95)
[error] dotty.tools.dotc.transform.MacroTransform.run(MacroTransform.scala:21)
[error] dotty.tools.dotc.transform.PickleQuotes.run(PickleQuotes.scala:91)
[error] dotty.tools.dotc.core.Phases$Phase.runOn$$anonfun$1(Phases.scala:303)
[error] scala.collection.immutable.List.map(List.scala:246)
[error] dotty.tools.dotc.core.Phases$Phase.runOn(Phases.scala:304)
[error] dotty.tools.dotc.Run.runPhases$4$$anonfun$4(Run.scala:205)
[error] scala.runtime.function.JProcedure1.apply(JProcedure1.java:15)
[error] scala.runtime.function.JProcedure1.apply(JProcedure1.java:10)
[error] scala.collection.ArrayOps$.foreach$extension(ArrayOps.scala:1323)
[error] dotty.tools.dotc.Run.runPhases$5(Run.scala:215)
[error] dotty.tools.dotc.Run.compileUnits$$anonfun$1(Run.scala:223)
[error] scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.scala:18)
[error] dotty.tools.dotc.util.Stats$.maybeMonitored(Stats.scala:67)
[error] dotty.tools.dotc.Run.compileUnits(Run.scala:230)
[error] dotty.tools.dotc.Run.compileSources(Run.scala:166)
[error] dotty.tools.dotc.Run.compile(Run.scala:150)
[error] dotty.tools.dotc.Driver.doCompile(Driver.scala:39)
[error] dotty.tools.xsbt.CompilerBridgeDriver.run(CompilerBridgeDriver.java:88)
[error] dotty.tools.xsbt.CompilerBridge.run(CompilerBridge.java:22)
[error] sbt.internal.inc.AnalyzingCompiler.compile(AnalyzingCompiler.scala:92)
[error] sbt.internal.inc.MixedAnalyzingCompiler.$anonfun$compile$7(MixedAnalyzingCompiler.scala:186)
[error] scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
[error] sbt.internal.inc.MixedAnalyzingCompiler.timed(MixedAnalyzingCompiler.scala:241)
[error] sbt.internal.inc.MixedAnalyzingCompiler.$anonfun$compile$4(MixedAnalyzingCompiler.scala:176)
[error] sbt.internal.inc.MixedAnalyzingCompiler.$anonfun$compile$4$adapted(MixedAnalyzingCompiler.scala:157)
[error] sbt.internal.inc.JarUtils$.withPreviousJar(JarUtils.scala:239)
[error] sbt.internal.inc.MixedAnalyzingCompiler.compileScala$1(MixedAnalyzingCompiler.scala:157)
[error] sbt.internal.inc.MixedAnalyzingCompiler.compile(MixedAnalyzingCompiler.scala:204)
[error] sbt.internal.inc.IncrementalCompilerImpl.$anonfun$compileInternal$1(IncrementalCompilerImpl.scala:573)
[error] sbt.internal.inc.IncrementalCompilerImpl.$anonfun$compileInternal$1$adapted(IncrementalCompilerImpl.scala:573)
[error] sbt.internal.inc.Incremental$.$anonfun$apply$5(Incremental.scala:174)
[error] sbt.internal.inc.Incremental$.$anonfun$apply$5$adapted(Incremental.scala:172)
[error] sbt.internal.inc.Incremental$$anon$2.run(Incremental.scala:459)
[error] sbt.internal.inc.IncrementalCommon$CycleState.next(IncrementalCommon.scala:116)
[error] sbt.internal.inc.IncrementalCommon$$anon$1.next(IncrementalCommon.scala:56)
[error] sbt.internal.inc.IncrementalCommon$$anon$1.next(IncrementalCommon.scala:52)
[error] sbt.internal.inc.IncrementalCommon.cycle(IncrementalCommon.scala:261)
[error] sbt.internal.inc.Incremental$.$anonfun$incrementalCompile$8(Incremental.scala:414)
[error] sbt.internal.inc.Incremental$.withClassfileManager(Incremental.scala:499)
[error] sbt.internal.inc.Incremental$.incrementalCompile(Incremental.scala:401)
[error] sbt.internal.inc.Incremental$.apply(Incremental.scala:166)
[error] sbt.internal.inc.IncrementalCompilerImpl.compileInternal(IncrementalCompilerImpl.scala:573)
[error] sbt.internal.inc.IncrementalCompilerImpl.$anonfun$compileIncrementally$1(IncrementalCompilerImpl.scala:491)
[error] sbt.internal.inc.IncrementalCompilerImpl.handleCompilationError(IncrementalCompilerImpl.scala:332)
[error] sbt.internal.inc.IncrementalCompilerImpl.compileIncrementally(IncrementalCompilerImpl.scala:420)
[error] sbt.internal.inc.IncrementalCompilerImpl.compile(IncrementalCompilerImpl.scala:137)
[error] sbt.Defaults$.compileIncrementalTaskImpl(Defaults.scala:2177)
[error] sbt.Defaults$.$anonfun$compileIncrementalTask$2(Defaults.scala:2134)
[error] sbt.internal.io.Retry$.apply(Retry.scala:40)
[error] sbt.internal.io.Retry$.apply(Retry.scala:23)
[error] sbt.internal.server.BspCompileTask$.compute(BspCompileTask.scala:31)
[error] sbt.Defaults$.$anonfun$compileIncrementalTask$1(Defaults.scala:2130)
[error] scala.Function1.$anonfun$compose$1(Function1.scala:49)
[error] sbt.internal.util.$tilde$greater.$anonfun$$u2219$1(TypeFunctions.scala:62)
[error] sbt.std.Transform$$anon$4.work(Transform.scala:68)
[error] sbt.Execute.$anonfun$submit$2(Execute.scala:282)
[error] sbt.internal.util.ErrorHandling$.wideConvert(ErrorHandling.scala:23)
[error] sbt.Execute.work(Execute.scala:291)
[error] sbt.Execute.$anonfun$submit$1(Execute.scala:282)
[error] sbt.ConcurrentRestrictions$$anon$4.$anonfun$submitValid$1(ConcurrentRestrictions.scala:265)
[error] sbt.CompletionService$$anon$2.call(CompletionService.scala:64)
[error] java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
[error] java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
[error] java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
[error] java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
[error] java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
[error] java.base/java.lang.Thread.run(Thread.java:834)
@nicolasstucki
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Workaround

import scala.quoted._
import scala.deriving._
def blah[P <: Product, MEL <: Tuple: Type, MET <: Tuple: Type](m: Mirror.ProductOf[P] { type MirroredElemLabels = MEL; type MirroredElemTypes = MET})(using Quotes) = {
  Type.of[Tuple.Zip[MEL, MET]]
  ()
}

@odersky
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odersky commented Mar 25, 2021

The NoType is encountered when it tries to pickle the type of a hole.

nicolasstucki added a commit to dotty-staging/dotty that referenced this issue May 12, 2021
@nicolasstucki
Add regression test
53747f9 
Fix scala#11795
@nicolasstucki nicolasstucki mentioned this issue May 12, 2021
Merged
@EugeneFlesselle
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@nicolasstucki why should it not compile ?

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Add regression test dotty-staging/dotty
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@japgolly @liufengyun @odersky @nicolasstucki @EugeneFlesselle