Warn when ??? is used to implement erased definition #11740
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This was linked to issues Mar 15, 2021
nicolasstucki force-pushed the fix-#11739 branch from 69b8d23 to 4d8749d Compare 
nicolasstucki commented Mar 15, 2021
| private def trivialErasedTree(tree: Tree)(using Context): Tree = | ||
| tree match | ||
| case tree: ValOrDefDef if !tree.symbol.is(Inline) && !tree.symbol.is(Synthetic) => | ||
| if tree.rhs.symbol == defn.Predef_undefined then |
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Next step might be to do tree.rhs.symbol != defn.Compiletime_erasedValue.
liufengyun reviewed Mar 15, 2021
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In #11721 , it uses ??? for erased definitions. Is there a potential conflict?
| It is possible. Currently, it seems not non of the tests have fatal warning. It should be fine. |
In #11721 , it uses |
| That is not on the RHS of an erased definition. It will be fine. |
Could you elaborate? In |
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