chore: Effectively open Scala 2 source code

scala · Feb 11, 2025 · dce5251 · dce5251
1 parent 813c644
commit dce5251
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/compiler/src/dotty/tools/dotc/typer/Namer.scala b/compiler/src/dotty/tools/dotc/typer/Namer.scala
@@ -249,6 +249,8 @@ class Namer { typer: Typer =>
         var flags = checkFlags(tree.mods.flags)
         if ctx.settings.YcompileScala2Library.value then
           flags |= Scala2x
+          if flags.isOneOf(EffectivelyOpenFlags, butNot = EffectivelyFinalFlags | Sealed) then
+            flags |= Open
         val name = checkNoConflict(tree.name, flags.is(Private), tree.span).asTypeName
         val cls =
           createOrRefine[ClassSymbol](tree, name, flags, ctx.owner,