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Fix #7809: Don't try to create a non-runtime class at ExplicitOuter #7837

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Merged
merged 1 commit into from
Jan 6, 2020
Merged

Fix #7809: Don't try to create a non-runtime class at ExplicitOuter #7837

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12 changes: 5 additions & 7 deletions compiler/src/dotty/tools/dotc/transform/ExplicitOuter.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -97,15 +97,13 @@ class ExplicitOuter extends MiniPhase with InfoTransformer { thisPhase =>
}

val parents1 =
for (parent <- impl.parents) yield {
for (parent <- impl.parents) yield
val parentCls = parent.tpe.classSymbol.asClass
if (parentCls.is(Trait))
parent
else parent match { // ensure class parent is a constructor
case parent: TypeTree => New(parent.tpe, Nil).withSpan(impl.span)
parent match // ensure class parent is a constructor
case parent: TypeTree
if !parentCls.is(Trait) && !defn.NotRuntimeClasses.contains(parentCls) =>
New(parent.tpe, Nil).withSpan(impl.span)
case _ => parent
}
}
cpy.Template(impl)(parents = parents1, body = impl.body ++ newDefs)
}
else impl
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5 changes: 5 additions & 0 deletions tests/pos/i7809.scala
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
class A {
trait B extends Any {
println()
}
}