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Compiler exception on new anonymous class creation (with apply call) #5696

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scabug opened this issue Apr 23, 2012 · 6 comments
Closed

Compiler exception on new anonymous class creation (with apply call) #5696

scabug opened this issue Apr 23, 2012 · 6 comments

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@scabug
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scabug commented Apr 23, 2012

class TestApply {
  class G(y: Int) {
    def apply(x: Int) = 1
  }

  new G(1)(2) {}
}

java.lang.AssertionError: assertion failed: type can't convert from UNIT to REF(class TestApply$G) in unit Main.scala at source-C:\Users\Alexander.Podkhalyuz\IdeaProjects\LiftMavenTest\src\scalatest\Main.scala,line-8,offset=109
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.adapt(GenICode.scala:1149)
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.scala$tools$nsc$backend$icode$GenICode$ICodePhase$$genLoad(GenICode.scala:1131)
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.genLoadQualifier(GenICode.scala:1175)
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.scala$tools$nsc$backend$icode$GenICode$ICodePhase$$genLoad(GenICode.scala:921)
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.scala$tools$nsc$backend$icode$GenICode$ICodePhase$$genStat(GenICode.scala:174)
at scala.tools.nsc.backend.icode.GenICode$ICodePhase$$anonfun$genStat$1.apply(GenICode.scala:143)
at scala.collection.LinearSeqOptimized$class.foldLeft(LinearSeqOptimized.scala:111)
at scala.collection.immutable.List.foldLeft(List.scala:45)
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.genStat(GenICode.scala:143)
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.scala$tools$nsc$backend$icode$GenICode$ICodePhase$$genLoad(GenICode.scala:1052)
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.gen(GenICode.scala:114)
at scala.tools.nsc.backend.icode.GenICode$ICodePhase$$anonfun$gen$1.apply(GenICode.scala:69)
at scala.collection.LinearSeqOptimized$class.foreach(LinearSeqOptimized.scala:59)
at scala.collection.immutable.List.foreach(List.scala:45)
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.gen(GenICode.scala:69)
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.gen(GenICode.scala:136)
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.gen(GenICode.scala:88)
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.gen(GenICode.scala:79)
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.gen(GenICode.scala:65)
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.apply(GenICode.scala:61)
at scala.tools.nsc.Global$GlobalPhase.applyPhase(Global.scala:329)
at scala.tools.nsc.Global$GlobalPhase$$anonfun$run$1.apply(Global.scala:297)
at scala.collection.Iterator$class.foreach(Iterator.scala:660)
at scala.collection.mutable.ListBuffer$$anon$1.foreach(ListBuffer.scala:316)
at scala.tools.nsc.Global$GlobalPhase.run(Global.scala:297)
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.run(GenICode.scala:54)
at scala.tools.nsc.Global$Run.compileSources(Global.scala:953)
at scala.tools.nsc.Global$Run.compile(Global.scala:1038)
at scala.tools.nsc.Main$.process(Main.scala:106)
at scala.tools.nsc.Main$.main(Main.scala:123)
at scala.tools.nsc.Main.main(Main.scala)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.jetbrains.plugins.scala.compiler.rt.ClassRunner.main(ClassRunner.java:46)
Exception in thread "main" java.lang.reflect.InvocationTargetException

@scabug
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scabug commented Apr 23, 2012

Imported From: https://issues.scala-lang.org/browse/SI-5696?orig=1
Reporter: @Alefas
Affected Versions: 2.9.1
Other Milestones: 2.10.0

@scabug
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scabug commented May 3, 2012

@hubertp said:
Still fails in trunk.

@scabug
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scabug commented Jun 10, 2012

@retronym said:
scala/scala#698

@scabug scabug closed this as completed Jun 11, 2012
@scabug
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scabug commented Jun 11, 2012

@retronym said:
Fixed in scala/scala@fc6ea96

@scabug
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scabug commented Jun 11, 2012

@dcsobral said:
Is new G(1)(2) still legal? I'm pretty sure I have code like that.

@scabug
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scabug commented Jun 11, 2012

@retronym said:
Yep.

scala> class G(y: Int) {
     |     def apply(x: Int) = 1
     |   }
defined class G

scala> new G(0)(0)
res0: Int = 1

scala> new G(0)(0) {}
<console>:9: error: too many argument lists for constructor invocation
              new G(0)(0) {}
                  ^

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