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Backport "Add regression test for issue i18493" to LTS #20604

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Merged
merged 1 commit into from
Jun 20, 2024
Merged

Backport "Add regression test for issue i18493" to LTS #20604

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8 changes: 8 additions & 0 deletions tests/neg/18493.check
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Original file line number Diff line number Diff line change
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-- [E030] Match case Unreachable Error: tests/neg/18493.scala:6:9 ------------------------------------------------------
6 | case "abc" => // error
| ^^^^^
| Unreachable case
-- [E030] Match case Unreachable Error: tests/neg/18493.scala:12:9 -----------------------------------------------------
12 | case "abc" => // error
| ^^^^^
| Unreachable case
14 changes: 14 additions & 0 deletions tests/neg/18493.scala
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//> using options -Werror
object PartialFunctionNoWarning {
// nice warning
"abc" match {
case "abc" =>
case "abc" => // error
}

// no warnings
val pf: PartialFunction[String, Unit] = {
case "abc" =>
case "abc" => // error
}
}