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Pattern Matcher causes Stack Overflow on large Java Enums #6942

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scabug opened this Issue Jan 8, 2013 · 3 comments

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scabug commented Jan 8, 2013

Please find attached a large Java Enum Bar.java, to be placed in a package "foo" and compiled. It is really an enumeration of countries with > 200 entries. If you then write the very simple scala program:

object BugTest extends App {
  import Bar._
  val bar: Bar = null
  def offset: Int = bar match {
    case BULGARIA  => 2
    case _         => 3
  }

}

and try and compile it, it falls over with a Stack Overflow in the pattern matcher. The workaround is to give the compiler a large stack size, for example -Xss4m

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scabug commented Jan 8, 2013

Imported From: https://issues.scala-lang.org/browse/SI-6942?orig=1
Reporter: @oxbowlakes
Affected Versions: 2.10.0
Attachments:

  • Bar.java (created on Jan 8, 2013 3:17:31 PM UTC, 10304 bytes)
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scabug commented Jan 17, 2013

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scabug commented Jan 19, 2013

@retronym said:
I've closed #6790 as a duplicate.

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