Scala 2.8.1 RC4

Ticket	Summary
#36 [3]	When a val overrides an abstract var [3]
#434343 [4]	Scaladoc and val (constructor args and lazy) [4]
#6c6c6c [5]	scaladoc for case class fields [5]
#4f4f4f [6]	Assertion error on compilation [6]
#1220 [7]	Stream.cons result not thread-safe [7]
#1445 [8]	Scaladoc does not seem to correctly report singleton types [8]
#1693 [9]	Implicit conversion ambiguity [9]
#1766 [10]	Primary constructor does not initialize structural type when auxiliary constructors are present [10]
#2318 [11]	Structural method is dispatched on non-public member when overriding public member [11]
#2331 [12]	Assertion Error Erasure$Eraser.cast(Erasure.scala:442) [12]
#2413 [13]	Types$TypeError when using inherited method from Java with repeated parameters [13]
#2416 [14]	Unsound higher order typing [14]
#2462 [15]	Better error messages for implicits [15]
#2464 [16]	'class file is broken' error when extending Java static inner classes [16]
#2799 [17]	spurious warning for deprecated case class [17]
#3105 [18]	parameters with default values not distinguished [18]
#3193 [19]	"Self" escapes SynchronizedMap [19]
#3209 [20]	scalac crash on (invalid) input file with an annotation on package declaration [20]
#3247 [21]	incorrect error message compiling trait with view bound [21]
#3249 [22]	java generic signature should not refer to type parameters of enclosing method (partial fix) [22]
#3361 [23]	NullPointerException in REPL when using DoubleLinkedList [23]
#3374 [24]	error in kind checking: higher-order type parameters [24]
#3399 [25]	IndexOutOfBoundsException on search for implicit =:= [25]
#3403 [26]	Compiler error with renamed BeanProperty import [26]
#3414 [27]	Option.empty [27]
#3419 [28]	kind conformance and separate compilation [28]
#3435 [29]	Compiler crash with TypeError during SpecializeTypes [29]
#3461 [30]	Scala doc for List.sliding is incorrect [30]
#3468 [31]	dated spec references to ByNameFunction [31]
#3477 [32]	upper bound on type parameter leads inferencer to wrong arity [32]
#3486 [33]	No Java Signature for mixed-in generic methods [33]
#3493 [34]	The result of scala.collection.immutable.TreeSet[A]#toString should be sorted [34]
#3494 [35]	Parameterizing varargs method on singleton type crashes scalac [35]
#3495 [36]	Cannot pass Java properties containing ':' [36]
#3496 [37]	Stream.splitAt does not terminate [37]
#3497 [38]	assertion failed in getPrimitive [38]
#3502 [39]	Stream.range regression in Scala 2.8.0 (works with Scala 2.7.7) [39]
#3507 [40]	assertion failure in mkAttributedQualifier [40]
#3508 [41]	Stream.tabulate creates an infinite stream [41]
#3519 [42]	Recent nsc change breaks AppEngine compatibility (partial fix) [42]
#3521 [43]	Java annotation with negative double value causes error [43]
#3540 [44]	TraversableFactory.iterate is too aggressive [44]
#3543 [45]	Java annotations restriction; error message could be improved [45]
#3548 [46]	scala.MatchError on code completion of a Tuple [46]
#3551 [47]	jvm/actor-executor2 test fails very rarely due to incorrect use of j.u.c.Executor [47]
#3570 [48]	Compiler crash in a small code [48]
#3580 [49]	TraversableLike.toStream loops [49]
#3582 [50]	Higher order type parameter results in implicit search failure [50]
#3584 [51]	Random.shuffle not usable with Random objects initialized from a non-default seed [51]
#3603 [52]	Integrate IntMap / LongMap into 2.8 collections [52]
#3604 [53]	Compiler crash: XML parsing: <div></abbr> [53]
#3605 [54]	No JSON Serializer in scala.util.parsing.json [54]
#3612 [55]	Inner object does not conform to self-type [55]
#3615 [56]	Enum with duplicate ordinal throws AssertionError [56]
#3616 [57]	Enumeration.values is confused by methods returning Val instances [57]
#3618 [58]	ill-formed type application with type constructors [58]
#3622 [59]	Compiler crash with Java repeated parameters [59]
#3627 [60]	ClassFormatError for specialized class extending specialized trait [60]
#3629 [61]	Bring LinkedBlockingQueue up-to-date [61]
#3631 [62]	java.lang.ArrayIndexOutOfBoundsException while compiling xhtml1-strict.scala [62]
#3636 [63]	scala.MatchError with Specialization [63]
#3645 [64]	Stream.tabulate creates an infinite constant stream [64]
#3648 [65]	VerifyError with named constructor parameter with default value [65]
#3649 [66]	scalac crashes after reporting name clash between val and companion object [66]
#3650 [67]	specialization incorrectly searches for specialized variants [67]
#3653 [68]	Repetitive method name/signature in class file [68]
#3663 [69]	IllegalAccessError when using package proptected members of a Java class [69]
#3667 [70]	Java Serialization Issue with Nested Class and Default Parameter [70]
#3676 [71]	Compiler crash when trying to implement a custom view [71]
#3679 [72]	scalac memory leak with NoPhase [72]
#3684 [73]	ArrayBuilder.ensureSize can resize twice [73]
#3685 [74]	field type inference fails when using named arguments with same name [74]
#3688 [75]	JavaConversions.asMap can't be used a a view bound due to overloading [75]
#3691 [76]	Compiler crash accessing higher kinded type in refinement [76]
#3692 [77]	Infinite loop when compiling a simple manifest test [77]
#3697 [78]	compile error applying curried method with repeated and default parameters [78]
#3709 [79]	performance: use of implicit conversion to RichInt in ResizableArray wasteful [79]
#3716 [80]	illegal characters in msil source causes compilation failure [80]
#3717 [81]	ScalaSigParser in scalap doesn't use the new format [81]
#3726 [82]	Blocks with application of a function-typed variable are seen as pure [82]
#3728 [83]	Wrong generic Java signature for methods with Array[T] parameters [83]
#3729 [84]	stack traces on file not found [84]
#3737 [85]	scaladoc for Option is wrong in places, could use examples [85]
#3750 [86]	No package-level scaladoc for the scala package [86]
#3751 [87]	Update/improve scala.Array's scaladoc [87]
#3756 [88]	Incongruous Java Class File / Package Crashes Scala Compiler [88]
#3757 [89]	No error given when abstract base class is not fully implemented [89]
#3763 [90]	type inference causes ClassCastException: Arrays are not ScalaObjects [90]
#3765 [91]	Incorrect Position with \r\n Delimiters [91]
#3766 [92]	Performance: ArrayBuffer.sizeHint could directly call arraycopy rather than Array.copy [92]
#3767 [93]	Array.copy needs review [93]
#3769 [94]	Compiler UnsupportedOperationException: Position.point when parsing ill-formed XML [94]
#3772 [95]	companions and method-owned case classes (partial fix) [95]
#3773 [96]	Missing deprecation warning [96]
#3774 [97]	scalac hang on innocent looking source (partial fix) [97]
#3776 [98]	scalac silently hangs while compiling (possibly with implicits) [98]
#3777 [99]	type constructor inference should normalize to improve unification [99]
#3779 [100]	@specialized collides with Manifest [100]
#3780 [101]	cyclic reference when compiling sources using build manager [101]
#3786 [102]	Improve scaladoc of scala.xml.pull [102]
#3793 [103]	Improve scaladoc of scala.collection package and link to the new Guide [103]
#3803 [104]	Specialization with function object causes null reference [104]
#3873 [105]	Dependent method type referring to previous argument list [105]
#3894 [106]	Regression: scaladoc fails when mixing in PackratParsers [106]
#3915 [107]	Compiler crash: "Illegal group reference [107]"
#3939 [108]	Scala compiler rejects override of abstract protected Java method [108]
#3947 [109]	Can't override protected Java member from outer package in mixed compilation [109]

Ticket

Summary

#36 [3]

When a val overrides an abstract var [3]

#434343 [4]

Scaladoc and val (constructor args and lazy) [4]

#6c6c6c [5]

scaladoc for case class fields [5]

#4f4f4f [6]

Assertion error on compilation [6]

#1220 [7]

Stream.cons result not thread-safe [7]

#1445 [8]

Scaladoc does not seem to correctly report singleton types [8]

#1693 [9]

Implicit conversion ambiguity [9]

#1766 [10]

Primary constructor does not initialize structural type when auxiliary constructors are present [10]

#2318 [11]

Structural method is dispatched on non-public member when overriding public member [11]

#2331 [12]

Assertion Error Erasure$Eraser.cast(Erasure.scala:442) [12]

#2413 [13]

Types$TypeError when using inherited method from Java with repeated parameters [13]

#2416 [14]

Unsound higher order typing [14]

#2462 [15]

Better error messages for implicits [15]

#2464 [16]

'class file is broken' error when extending Java static inner classes [16]

#2799 [17]

spurious warning for deprecated case class [17]

#3105 [18]

parameters with default values not distinguished [18]

#3193 [19]

"Self" escapes SynchronizedMap [19]

#3209 [20]

scalac crash on (invalid) input file with an annotation on package declaration [20]

#3247 [21]

incorrect error message compiling trait with view bound [21]

#3249 [22]

java generic signature should not refer to type parameters of enclosing method (partial fix) [22]

#3361 [23]

NullPointerException in REPL when using DoubleLinkedList [23]

#3374 [24]

error in kind checking: higher-order type parameters [24]

#3399 [25]

IndexOutOfBoundsException on search for implicit =:= [25]

#3403 [26]

Compiler error with renamed BeanProperty import [26]

#3414 [27]

Option.empty [27]

#3419 [28]

kind conformance and separate compilation [28]

#3435 [29]

Compiler crash with TypeError during SpecializeTypes [29]

#3461 [30]

Scala doc for List.sliding is incorrect [30]

#3468 [31]

dated spec references to ByNameFunction [31]

#3477 [32]

upper bound on type parameter leads inferencer to wrong arity [32]

#3486 [33]

No Java Signature for mixed-in generic methods [33]

#3493 [34]

The result of scala.collection.immutable.TreeSet[A]#toString should be sorted [34]

#3494 [35]

Parameterizing varargs method on singleton type crashes scalac [35]

#3495 [36]

Cannot pass Java properties containing ':' [36]

#3496 [37]

Stream.splitAt does not terminate [37]

#3497 [38]

assertion failed in getPrimitive [38]

#3502 [39]

Stream.range regression in Scala 2.8.0 (works with Scala 2.7.7) [39]

#3507 [40]

assertion failure in mkAttributedQualifier [40]

#3508 [41]

Stream.tabulate creates an infinite stream [41]

#3519 [42]

Recent nsc change breaks AppEngine compatibility (partial fix) [42]

#3521 [43]

Java annotation with negative double value causes error [43]

#3540 [44]

TraversableFactory.iterate is too aggressive [44]

#3543 [45]

Java annotations restriction; error message could be improved [45]

#3548 [46]

scala.MatchError on code completion of a Tuple [46]

#3551 [47]

jvm/actor-executor2 test fails very rarely due to incorrect use of j.u.c.Executor [47]

#3570 [48]

Compiler crash in a small code [48]

#3580 [49]

TraversableLike.toStream loops [49]

#3582 [50]

Higher order type parameter results in implicit search failure [50]

#3584 [51]

Random.shuffle not usable with Random objects initialized from a non-default seed [51]

#3603 [52]

Integrate IntMap / LongMap into 2.8 collections [52]

#3604 [53]

Compiler crash: XML parsing: <div></abbr> [53]

#3605 [54]

No JSON Serializer in scala.util.parsing.json [54]

#3612 [55]

Inner object does not conform to self-type [55]

#3615 [56]

Enum with duplicate ordinal throws AssertionError [56]

#3616 [57]

Enumeration.values is confused by methods returning Val instances [57]

#3618 [58]

ill-formed type application with type constructors [58]

#3622 [59]

Compiler crash with Java repeated parameters [59]

#3627 [60]

ClassFormatError for specialized class extending specialized trait [60]

#3629 [61]

Bring LinkedBlockingQueue up-to-date [61]

#3631 [62]

java.lang.ArrayIndexOutOfBoundsException while compiling xhtml1-strict.scala [62]

#3636 [63]

scala.MatchError with Specialization [63]

#3645 [64]

Stream.tabulate creates an infinite constant stream [64]

#3648 [65]

VerifyError with named constructor parameter with default value [65]

#3649 [66]

scalac crashes after reporting name clash between val and companion object [66]

#3650 [67]

specialization incorrectly searches for specialized variants [67]

#3653 [68]

Repetitive method name/signature in class file [68]

#3663 [69]

IllegalAccessError when using package proptected members of a Java class [69]

#3667 [70]

Java Serialization Issue with Nested Class and Default Parameter [70]

#3676 [71]

Compiler crash when trying to implement a custom view [71]

#3679 [72]

scalac memory leak with NoPhase [72]

#3684 [73]

ArrayBuilder.ensureSize can resize twice [73]

#3685 [74]

field type inference fails when using named arguments with same name [74]

#3688 [75]

JavaConversions.asMap can't be used a a view bound due to overloading [75]

#3691 [76]

Compiler crash accessing higher kinded type in refinement [76]

#3692 [77]

Infinite loop when compiling a simple manifest test [77]

#3697 [78]

compile error applying curried method with repeated and default parameters [78]

#3709 [79]

performance: use of implicit conversion to RichInt in ResizableArray wasteful [79]

#3716 [80]

illegal characters in msil source causes compilation failure [80]

#3717 [81]

ScalaSigParser in scalap doesn't use the new format [81]

#3726 [82]

Blocks with application of a function-typed variable are seen as pure [82]

#3728 [83]

Wrong generic Java signature for methods with Array[T] parameters [83]

#3729 [84]

stack traces on file not found [84]

#3737 [85]

scaladoc for Option is wrong in places, could use examples [85]

#3750 [86]

No package-level scaladoc for the scala package [86]

#3751 [87]

Update/improve scala.Array's scaladoc [87]

#3756 [88]

Incongruous Java Class File / Package Crashes Scala Compiler [88]

#3757 [89]

No error given when abstract base class is not fully implemented [89]

#3763 [90]

type inference causes ClassCastException: Arrays are not ScalaObjects [90]

#3765 [91]

Incorrect Position with \r\n Delimiters [91]

#3766 [92]

Performance: ArrayBuffer.sizeHint could directly call arraycopy rather than Array.copy [92]

#3767 [93]

Array.copy needs review [93]

#3769 [94]

Compiler UnsupportedOperationException: Position.point when parsing ill-formed XML [94]

#3772 [95]

companions and method-owned case classes (partial fix) [95]

#3773 [96]

Missing deprecation warning [96]

#3774 [97]

scalac hang on innocent looking source (partial fix) [97]

#3776 [98]

scalac silently hangs while compiling (possibly with implicits) [98]

#3777 [99]

type constructor inference should normalize to improve unification [99]

#3779 [100]

@specialized collides with Manifest [100]

#3780 [101]

cyclic reference when compiling sources using build manager [101]

#3786 [102]

Improve scaladoc of scala.xml.pull [102]

#3793 [103]

Improve scaladoc of scala.collection package and link to the new Guide [103]

#3803 [104]

Specialization with function object causes null reference [104]

#3873 [105]

Dependent method type referring to previous argument list [105]

#3894 [106]

Regression: scaladoc fails when mixing in PackratParsers [106]

#3915 [107]

Compiler crash: "Illegal group reference [107]"

#3939 [108]

Scala compiler rejects override of abstract protected Java method [108]

#3947 [109]

Can't override protected Java member from outer package in mixed compilation [109]

Links:
[1] http://www.scala-lang.org/downloads#RC
[2] http://www.scala-lang.org/downloads
[3] http://lampsvn.epfl.ch/trac/scala/ticket/36
[4] http://lampsvn.epfl.ch/trac/scala/ticket/254
[5] http://lampsvn.epfl.ch/trac/scala/ticket/577
[6] http://lampsvn.epfl.ch/trac/scala/ticket/742
[7] http://lampsvn.epfl.ch/trac/scala/ticket/1220
[8] http://lampsvn.epfl.ch/trac/scala/ticket/1445
[9] http://lampsvn.epfl.ch/trac/scala/ticket/1693
[10] http://lampsvn.epfl.ch/trac/scala/ticket/1766
[11] http://lampsvn.epfl.ch/trac/scala/ticket/2318
[12] http://lampsvn.epfl.ch/trac/scala/ticket/2331
[13] http://lampsvn.epfl.ch/trac/scala/ticket/2413
[14] http://lampsvn.epfl.ch/trac/scala/ticket/2416
[15] http://lampsvn.epfl.ch/trac/scala/ticket/2462
[16] http://lampsvn.epfl.ch/trac/scala/ticket/2464
[17] http://lampsvn.epfl.ch/trac/scala/ticket/2799
[18] http://lampsvn.epfl.ch/trac/scala/ticket/3105
[19] http://lampsvn.epfl.ch/trac/scala/ticket/3193
[20] http://lampsvn.epfl.ch/trac/scala/ticket/3209
[21] http://lampsvn.epfl.ch/trac/scala/ticket/3247
[22] http://lampsvn.epfl.ch/trac/scala/ticket/3249
[23] http://lampsvn.epfl.ch/trac/scala/ticket/3361
[24] http://lampsvn.epfl.ch/trac/scala/ticket/3374
[25] http://lampsvn.epfl.ch/trac/scala/ticket/3399
[26] http://lampsvn.epfl.ch/trac/scala/ticket/3403
[27] http://lampsvn.epfl.ch/trac/scala/ticket/3414
[28] http://lampsvn.epfl.ch/trac/scala/ticket/3419
[29] http://lampsvn.epfl.ch/trac/scala/ticket/3435
[30] http://lampsvn.epfl.ch/trac/scala/ticket/3461
[31] http://lampsvn.epfl.ch/trac/scala/ticket/3468
[32] http://lampsvn.epfl.ch/trac/scala/ticket/3477
[33] http://lampsvn.epfl.ch/trac/scala/ticket/3486
[34] http://lampsvn.epfl.ch/trac/scala/ticket/3493
[35] http://lampsvn.epfl.ch/trac/scala/ticket/3494
[36] http://lampsvn.epfl.ch/trac/scala/ticket/3495
[37] http://lampsvn.epfl.ch/trac/scala/ticket/3496
[38] http://lampsvn.epfl.ch/trac/scala/ticket/3497
[39] http://lampsvn.epfl.ch/trac/scala/ticket/3502
[40] http://lampsvn.epfl.ch/trac/scala/ticket/3507
[41] http://lampsvn.epfl.ch/trac/scala/ticket/3508
[42] http://lampsvn.epfl.ch/trac/scala/ticket/3519
[43] http://lampsvn.epfl.ch/trac/scala/ticket/3521
[44] http://lampsvn.epfl.ch/trac/scala/ticket/3540
[45] http://lampsvn.epfl.ch/trac/scala/ticket/3543
[46] http://lampsvn.epfl.ch/trac/scala/ticket/3548
[47] http://lampsvn.epfl.ch/trac/scala/ticket/3551
[48] http://lampsvn.epfl.ch/trac/scala/ticket/3570
[49] http://lampsvn.epfl.ch/trac/scala/ticket/3580
[50] http://lampsvn.epfl.ch/trac/scala/ticket/3582
[51] http://lampsvn.epfl.ch/trac/scala/ticket/3584
[52] http://lampsvn.epfl.ch/trac/scala/ticket/3603
[53] http://lampsvn.epfl.ch/trac/scala/ticket/3604
[54] http://lampsvn.epfl.ch/trac/scala/ticket/3605
[55] http://lampsvn.epfl.ch/trac/scala/ticket/3612
[56] http://lampsvn.epfl.ch/trac/scala/ticket/3615
[57] http://lampsvn.epfl.ch/trac/scala/ticket/3616
[58] http://lampsvn.epfl.ch/trac/scala/ticket/3618
[59] http://lampsvn.epfl.ch/trac/scala/ticket/3622
[60] http://lampsvn.epfl.ch/trac/scala/ticket/3627
[61] http://lampsvn.epfl.ch/trac/scala/ticket/3629
[62] http://lampsvn.epfl.ch/trac/scala/ticket/3631
[63] http://lampsvn.epfl.ch/trac/scala/ticket/3636
[64] http://lampsvn.epfl.ch/trac/scala/ticket/3645
[65] http://lampsvn.epfl.ch/trac/scala/ticket/3648
[66] http://lampsvn.epfl.ch/trac/scala/ticket/3649
[67] http://lampsvn.epfl.ch/trac/scala/ticket/3650
[68] http://lampsvn.epfl.ch/trac/scala/ticket/3653
[69] http://lampsvn.epfl.ch/trac/scala/ticket/3663
[70] http://lampsvn.epfl.ch/trac/scala/ticket/3667
[71] http://lampsvn.epfl.ch/trac/scala/ticket/3676
[72] http://lampsvn.epfl.ch/trac/scala/ticket/3679
[73] http://lampsvn.epfl.ch/trac/scala/ticket/3684
[74] http://lampsvn.epfl.ch/trac/scala/ticket/3685
[75] http://lampsvn.epfl.ch/trac/scala/ticket/3688
[76] http://lampsvn.epfl.ch/trac/scala/ticket/3691
[77] http://lampsvn.epfl.ch/trac/scala/ticket/3692
[78] http://lampsvn.epfl.ch/trac/scala/ticket/3697
[79] http://lampsvn.epfl.ch/trac/scala/ticket/3709
[80] http://lampsvn.epfl.ch/trac/scala/ticket/3716
[81] http://lampsvn.epfl.ch/trac/scala/ticket/3717
[82] http://lampsvn.epfl.ch/trac/scala/ticket/3726
[83] http://lampsvn.epfl.ch/trac/scala/ticket/3728
[84] http://lampsvn.epfl.ch/trac/scala/ticket/3729
[85] http://lampsvn.epfl.ch/trac/scala/ticket/3737
[86] http://lampsvn.epfl.ch/trac/scala/ticket/3750
[87] http://lampsvn.epfl.ch/trac/scala/ticket/3751
[88] http://lampsvn.epfl.ch/trac/scala/ticket/3756
[89] http://lampsvn.epfl.ch/trac/scala/ticket/3757
[90] http://lampsvn.epfl.ch/trac/scala/ticket/3763
[91] http://lampsvn.epfl.ch/trac/scala/ticket/3765
[92] http://lampsvn.epfl.ch/trac/scala/ticket/3766
[93] http://lampsvn.epfl.ch/trac/scala/ticket/3767
[94] http://lampsvn.epfl.ch/trac/scala/ticket/3769
[95] http://lampsvn.epfl.ch/trac/scala/ticket/3772
[96] http://lampsvn.epfl.ch/trac/scala/ticket/3773
[97] http://lampsvn.epfl.ch/trac/scala/ticket/3774
[98] http://lampsvn.epfl.ch/trac/scala/ticket/3776
[99] http://lampsvn.epfl.ch/trac/scala/ticket/3777
[100] http://lampsvn.epfl.ch/trac/scala/ticket/3779
[101] http://lampsvn.epfl.ch/trac/scala/ticket/3780
[102] http://lampsvn.epfl.ch/trac/scala/ticket/3786
[103] http://lampsvn.epfl.ch/trac/scala/ticket/3793
[104] http://lampsvn.epfl.ch/trac/scala/ticket/3803
[105] http://lampsvn.epfl.ch/trac/scala/ticket/3873
[106] http://lampsvn.epfl.ch/trac/scala/ticket/3894
[107] http://lampsvn.epfl.ch/trac/scala/ticket/3915
[108] http://lampsvn.epfl.ch/trac/scala/ticket/3939
[109] http://lampsvn.epfl.ch/trac/scala/ticket/3947

Scala 2.8.1 RC4

The Scala 2.8.1 distribution

What is new?