diff options
| -rw-r--r-- | src/compiler/scala/tools/nsc/typechecker/Infer.scala | 1 | ||||
| -rw-r--r-- | test/files/pos/hkgadt.scala | 18 |
2 files changed, 18 insertions, 1 deletions
diff --git a/src/compiler/scala/tools/nsc/typechecker/Infer.scala b/src/compiler/scala/tools/nsc/typechecker/Infer.scala index dc91d23011..7112edd75d 100644 --- a/src/compiler/scala/tools/nsc/typechecker/Infer.scala +++ b/src/compiler/scala/tools/nsc/typechecker/Infer.scala @@ -1257,7 +1257,6 @@ trait Infer extends Checkable { def isFreeTypeParamOfTerm(sym: Symbol) = ( sym.isAbstractType && sym.owner.isTerm - && !sym.info.bounds.exists(_.typeParams.nonEmpty) ) // Intentionally *not* using `Type#typeSymbol` here, which would normalize `tp` diff --git a/test/files/pos/hkgadt.scala b/test/files/pos/hkgadt.scala new file mode 100644 index 0000000000..efd7d3df21 --- /dev/null +++ b/test/files/pos/hkgadt.scala @@ -0,0 +1,18 @@ +package test + +object HKGADT { + sealed trait Foo[F[_]] + final case class Bar() extends Foo[List] + + def frob[F[_]](foo: Foo[F]): F[Int] = + foo match { + case Bar() => + List(1) + } + + sealed trait Foo1[F] + final case class Bar1() extends Foo1[Int] + def frob1[A](foo: Foo1[A]) = foo match { + case Bar1() => 1 + } +} |