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specialization regression with overriding #6804

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scabug opened this issue Dec 12, 2012 · 3 comments
Open

specialization regression with overriding #6804

scabug opened this issue Dec 12, 2012 · 3 comments
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regression specialization
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Backlog

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@scabug
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scabug commented Dec 12, 2012

I have many doubts as to whether there is any point in continuing to report specialization bugs, but since it's a regression from 2.9...

trait A[@specialized(Byte) T1] {
  def f[@specialized(Float) T2](x: T1, y: T2): Any = 5
}

trait B extends A[Byte] {
  override def f[@specialized(Float) T2](x: Byte, y: T2): String = ""
}
/***
c.scala:6: error: type mismatch;
 found   : Any
 required: String
  override def f[@specialized(Float) T2](x: Byte, y: T2): String = ""
               ^
one error found
***/
@scabug
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scabug commented Dec 12, 2012

Imported From: https://issues.scala-lang.org/browse/SI-6804?orig=1
Reporter: @paulp
Affected Versions: 2.10.0-RC5
See #5853

@scabug
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scabug commented Dec 12, 2012

@VladUreche said (edited on Dec 12, 2012 6:37:39 PM UTC):
Yes, it makes sense to report them. If not for immediate fixes in specialization, at least I'll fix them in the miniboxing phase.

@scabug
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scabug commented Mar 29, 2013

@retronym said:
Regressed in #5853 / scala/scala@dab1d0361

@scabug scabug added this to the Backlog milestone Apr 7, 2017
@scala scala deleted a comment from scabug Mar 2, 2018
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