Fix #5411: varargs with intersection type elements #5632
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We need to generate a ClassTag to construct a Java vararg array. Just computing the class symbol of the element type is not enough, as some types do not have class symbols. We need instead to compute the class symbol on the erased element type.
odersky
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allanrenucci
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Dec 17, 2018
| @@ -92,7 +93,7 @@ class ElimRepeated extends MiniPhase with InfoTransformer { thisPhase => | |||
| JavaSeqLiteral(elems, elemtpt) | |||
| case _ => | |||
| val elemType = tree.tpe.elemType | |||
| var elemClass = elemType.classSymbol | |||
| var elemClass = erasure(elemType).classSymbol | |||
| if (defn.NotRuntimeClasses.contains(elemClass)) elemClass = defn.ObjectClass | |||
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Is this line still needed if we erase the elemType?
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I am not sure about NullClass, NothingClass. I think these survive erasure.
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We need to generate a ClassTag to construct a Java vararg array.
Just computing the class symbol of the element type is not enough,
as some types do not have class symbols. We need instead to compute
the class symbol on the erased element type.