Silence debug for unused imports

Author: som-snytt

compiler/src/dotty/tools/dotc/core/Contexts.scala

@@ -1040,10 +1040,9 @@ object Contexts:
     def unused(using Context): List[(ImportInfo, Symbol, untpd.ImportSelector)] =
       var unusages = List.empty[(ImportInfo, Symbol, untpd.ImportSelector)]
       if ctx.settings.WunusedHas.imports && !ctx.compilationUnit.isJava then
-        if ctx.settings.Ydebug.value then
-          println(importInfos.get(ctx.compilationUnit).map(iss => iss.map((ii, s) => s"${ii.show} ($ii)")).getOrElse(Nil).mkString("Registered ImportInfos\n", "\n", ""))
-          println(selectors.toList.flatMap((k,v) => v.toList.map(sel => s"${k.show} -> $sel")).mkString("Used selectors\n", "\n", ""))
-        end if
+        //if ctx.settings.Ydebug.value then
+        //  println(importInfos.get(ctx.compilationUnit).map(iss => iss.map((ii, s) => s"${ii.show} ($ii)")).getOrElse(Nil).mkString("Registered ImportInfos\n", "\n", ""))
+        //  println(selectors.toList.flatMap((k,v) => v.toList.map(sel => s"${k.show} -> $sel")).mkString("Used selectors\n", "\n", ""))
         def checkUsed(info: ImportInfo, owner: Symbol): Unit =
           val used = selectors(info)
           var needsPatch = false

tests/neg/unused-imports.scala

@@ -1,4 +1,4 @@
-// scalac: -Wunused:imports -Werror -Ydebug -feature
+// scalac: -Wunused:imports -Werror -feature
 
 //import language.future
 import language.implicitConversions