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Backport "fix: reversed wconf parsing order to mirror scala 2" to LTS #21968

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Backport "fix: reversed wconf parsing order to mirror scala 2" to LTS #21968

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2 changes: 1 addition & 1 deletion compiler/src/dotty/tools/dotc/reporting/WConf.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -119,7 +119,7 @@ object WConf:
def fromSettings(settings: List[String]): Either[List[String], WConf] =
if (settings.isEmpty) Right(WConf(Nil))
else
val parsedConfs: List[Either[List[String], (List[MessageFilter], Action)]] = settings.map(conf =>
val parsedConfs: List[Either[List[String], (List[MessageFilter], Action)]] = settings.reverse.map(conf =>
val filtersAndAction = conf.split(':')
if filtersAndAction.length != 2 then Left(List("exactly one `:` expected (<filter>&...&<filter>:<action>)"))
else
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1 change: 0 additions & 1 deletion compiler/test/dotty/tools/dotc/config/ScalaSettingsTests.scala
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Expand Up @@ -89,7 +89,6 @@ class ScalaSettingsTests:
val nowr = new Diagnostic.Warning("This is a problem.".toMessage, util.NoSourcePosition)
assertEquals(Action.Silent, sut.action(nowr))

@Ignore("LTS backport rejected: https://github.com/scala/scala3/pull/18503")
@Test def `i18367 rightmost WConf flags take precedence over flags to the left`: Unit =
import reporting.{Action, Diagnostic}
val sets = new ScalaSettings
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