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Fix #4653: check method return type is value type #4844

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Merged
merged 1 commit into from
Jul 30, 2018
Merged

Fix #4653: check method return type is value type #4844

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2 changes: 1 addition & 1 deletion compiler/src/dotty/tools/dotc/typer/Namer.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -1153,7 +1153,7 @@ class Namer { typer: Typer =>
case _ =>
WildcardType
}
paramFn(typedAheadType(mdef.tpt, tptProto).tpe)
paramFn(checkSimpleKinded(typedAheadType(mdef.tpt, tptProto)).tpe)
}

/** The type signature of a DefDef with given symbol */
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14 changes: 14 additions & 0 deletions tests/neg/i4653.scala
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Original file line number Diff line number Diff line change
@@ -0,0 +1,14 @@
trait T {
type S
}

class C {
class D[X](val t: T) {
def bar: t.S = ???
}

def fooD: D = ??? // error
fooD.bar

def f(fooV: => D): Any = fooV.bar // error
}