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misoptimization in erasure #6637

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scabug opened this issue Nov 9, 2012 · 6 comments
Closed

misoptimization in erasure #6637

scabug opened this issue Nov 9, 2012 · 6 comments

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@scabug
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@scabug scabug commented Nov 9, 2012

Possibly introduced in 5fa1978 .

scala> class A ; class B ; List().head.isInstanceOf[A with B]
defined class A
defined class B
res0: Boolean = true
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@scabug scabug commented Nov 9, 2012

Imported From: https://issues.scala-lang.org/browse/SI-6637?orig=1
Reporter: @paulp
Affected Versions: 2.10.0-M1, 2.10.0-RC3

@scabug
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@scabug scabug commented Nov 9, 2012

Jan Niehusmann (jannic) said:
Possible fix in scala/scala#1599

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@scabug scabug commented Nov 23, 2012

@Blaisorblade said:
The pull request was merged (but only in master, AFAIK). Should this bug be closed for master? Should this be backported to 2.10.0?

@scabug
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@scabug scabug commented Dec 4, 2012

@retronym said:
We're going to review all the fixes targetting 2.11.0 for backports to 2.10.1, this one should be a worthy candidate. But right now, closing as fixed in 2.11.0

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@scabug scabug commented Jan 22, 2013

@retronym said:
Reopened pending backport to 2.10.1: scala/scala#1952

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@scabug scabug commented Jan 31, 2013

@paulp said:
40bf1d8

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