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Backport "Process Export for unused check" to 3.3 LTS #383

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Merged
merged 1 commit into from
Apr 30, 2025
Merged

Backport "Process Export for unused check" to 3.3 LTS #383

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2 changes: 2 additions & 0 deletions compiler/src/dotty/tools/dotc/transform/CheckUnused.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -218,6 +218,8 @@ class CheckUnused private (phaseMode: PhaseMode, suffix: String) extends MiniPha
selector.bound match
case untpd.TypedSplice(bound) => transformAllDeep(bound)
case _ =>
case exp: Export =>
transformAllDeep(exp.expr)
case AppliedTypeTree(tpt, args) =>
transformAllDeep(tpt)
args.foreach(transformAllDeep)
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10 changes: 10 additions & 0 deletions tests/warn/i22983.scala
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@@ -0,0 +1,10 @@
//> using options -Werror -Wunused:imports

object test1:
object foo:
type X = Int

object test2:
import test1.foo

export foo.X