diff options
| -rw-r--r-- | src/compiler/scala/tools/nsc/transform/ExtensionMethods.scala | 4 | ||||
| -rw-r--r-- | test/files/pos/t5953.scala | 16 |
2 files changed, 18 insertions, 2 deletions
diff --git a/src/compiler/scala/tools/nsc/transform/ExtensionMethods.scala b/src/compiler/scala/tools/nsc/transform/ExtensionMethods.scala index 1c97eaad8b..5f66cadbc9 100644 --- a/src/compiler/scala/tools/nsc/transform/ExtensionMethods.scala +++ b/src/compiler/scala/tools/nsc/transform/ExtensionMethods.scala @@ -107,7 +107,7 @@ abstract class ExtensionMethods extends Transform with TypingTransformers { def extensionMethInfo(extensionMeth: Symbol, origInfo: Type, clazz: Symbol): Type = { var newTypeParams = cloneSymbolsAtOwner(clazz.typeParams, extensionMeth) - val thisParamType = appliedType(clazz.typeConstructor, newTypeParams map (_.tpe)) + val thisParamType = appliedType(clazz.typeConstructor, newTypeParams map (_.tpeHK)) val thisParam = extensionMeth.newValueParameter(nme.SELF, extensionMeth.pos) setInfo thisParamType def transform(clonedType: Type): Type = clonedType match { case MethodType(params, restpe) => @@ -159,7 +159,7 @@ abstract class ExtensionMethods extends Transform with TypingTransformers { .changeOwner((origMeth, extensionMeth)) extensionDefs(companion) += atPos(tree.pos) { DefDef(extensionMeth, extensionBody) } val extensionCallPrefix = Apply( - gen.mkTypeApply(gen.mkAttributedRef(companion), extensionMeth, origTpeParams map (_.tpe)), + gen.mkTypeApply(gen.mkAttributedRef(companion), extensionMeth, origTpeParams map (_.tpeHK)), List(This(currentOwner))) val extensionCall = atOwner(origMeth) { localTyper.typedPos(rhs.pos) { diff --git a/test/files/pos/t5953.scala b/test/files/pos/t5953.scala new file mode 100644 index 0000000000..90e7d84646 --- /dev/null +++ b/test/files/pos/t5953.scala @@ -0,0 +1,16 @@ +import scala.collection.{ mutable, immutable, generic, GenTraversableOnce } + +package object foo { + @inline implicit class TravOps[A, CC[A] <: GenTraversableOnce[A]](val coll: CC[A]) extends AnyVal { + def build[CC2[X]](implicit cbf: generic.CanBuildFrom[Nothing, A, CC2[A]]): CC2[A] = { + cbf() ++= coll.toIterator result + } + } +} + +package foo { + object Test { + def f1[T](xs: Traversable[T]) = xs.convertTo[immutable.Vector] + def f2[T](xs: Traversable[T]) = xs.build[immutable.Vector] + } +} |