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-rw-r--r--src/actors/scala/actors/remote/Proxy.scala2
-rw-r--r--src/compiler/scala/tools/nsc/transform/patmat/MatchTranslation.scala5
-rw-r--r--src/compiler/scala/tools/nsc/typechecker/PatternTypers.scala8
3 files changed, 8 insertions, 7 deletions
diff --git a/src/actors/scala/actors/remote/Proxy.scala b/src/actors/scala/actors/remote/Proxy.scala
index 73af1edeec..43a43ac99c 100644
--- a/src/actors/scala/actors/remote/Proxy.scala
+++ b/src/actors/scala/actors/remote/Proxy.scala
@@ -118,7 +118,7 @@ private[remote] case class Apply0(rfun: Function2[AbstractActor, Proxy, Unit])
*/
private[remote] class DelegateActor(creator: Proxy, node: Node, name: Symbol, kernel: NetKernel) extends Actor {
var channelMap = new mutable.HashMap[Symbol, OutputChannel[Any]]
- var sessionMap = new mutable.HashMap[OutputChannel[Any], Symbol]
+ var sessionMap = new mutable.HashMap[OutputChannel[_], Symbol]
def act() {
Actor.loop {
diff --git a/src/compiler/scala/tools/nsc/transform/patmat/MatchTranslation.scala b/src/compiler/scala/tools/nsc/transform/patmat/MatchTranslation.scala
index ab19660da5..2be031a66f 100644
--- a/src/compiler/scala/tools/nsc/transform/patmat/MatchTranslation.scala
+++ b/src/compiler/scala/tools/nsc/transform/patmat/MatchTranslation.scala
@@ -500,11 +500,6 @@ trait MatchTranslation {
// U must have N members _1,..., _N -- the _i are type checked, call their type Ti,
// for now only used for case classes -- pretending there's an unapplyProd that's the identity (and don't call it)
class ExtractorCallProd(val fun: Tree, val args: List[Tree]) extends ExtractorCall {
- // TODO: fix the illegal type bound in pos/t602 -- type inference messes up before we get here:
- /*override def equals(x$1: Any): Boolean = ...
- val o5: Option[com.mosol.sl.Span[Any]] = // Span[Any] --> Any is not a legal type argument for Span!
- */
-
private def constructorTp = fun.tpe
def isTyped = fun.isTyped
diff --git a/src/compiler/scala/tools/nsc/typechecker/PatternTypers.scala b/src/compiler/scala/tools/nsc/typechecker/PatternTypers.scala
index 38a3f18bf8..df4dd3d777 100644
--- a/src/compiler/scala/tools/nsc/typechecker/PatternTypers.scala
+++ b/src/compiler/scala/tools/nsc/typechecker/PatternTypers.scala
@@ -322,7 +322,13 @@ trait PatternTypers {
*
* see test/files/../t5189*.scala
*/
- private def convertToCaseConstructor(tree: Tree, caseClass: Symbol, pt: Type): Tree = {
+ private def convertToCaseConstructor(tree: Tree, caseClass: Symbol, ptIn: Type): Tree = {
+ // Unsoundness looms for those who infer type parameters with pt=Any. See SI-7886.
+ val pt = (
+ if (ptIn =:= AnyTpe && caseClass.typeParams.nonEmpty)
+ devWarningResult(s"Evading kind-polymorphic expected type for case constructor of $caseClass")(caseClass.tpe_*)
+ else ptIn
+ )
val variantToSkolem = new VariantToSkolemMap
val caseConstructorType = tree.tpe.prefix memberType caseClass memberType caseClass.primaryConstructor
val tree1 = TypeTree(caseConstructorType) setOriginal tree