use named arg for nestedInOwner

Author: Linyxus

compiler/src/dotty/tools/dotc/cc/CheckCaptures.scala

@@ -212,7 +212,7 @@ class CheckCaptures extends Recheck, SymTransformer:
         report.error(i"$header included in allowed capture set ${res.blocking}", pos)
 
     /** The current environment */
-    private var curEnv: Env = Env(NoSymbol, false, CaptureSet.empty, isBoxed = false, null)
+    private var curEnv: Env = Env(NoSymbol, nestedInOwner = false, CaptureSet.empty, isBoxed = false, null)
 
     private val myCapturedVars: util.EqHashMap[Symbol, CaptureSet] = EqHashMap()
 
@@ -451,7 +451,7 @@ class CheckCaptures extends Recheck, SymTransformer:
       if !Synthetics.isExcluded(sym) then
         val saved = curEnv
         val localSet = capturedVars(sym)
-        if !localSet.isAlwaysEmpty then curEnv = Env(sym, false, localSet, isBoxed = false, curEnv)
+        if !localSet.isAlwaysEmpty then curEnv = Env(sym, nestedInOwner = false, localSet, isBoxed = false, curEnv)
         try super.recheckDefDef(tree, sym)
         finally
           interpolateVarsIn(tree.tpt)
@@ -467,7 +467,7 @@ class CheckCaptures extends Recheck, SymTransformer:
       val localSet = capturedVars(cls)
       for parent <- impl.parents do // (1)
         checkSubset(capturedVars(parent.tpe.classSymbol), localSet, parent.srcPos)
-      if !localSet.isAlwaysEmpty then curEnv = Env(cls, false, localSet, isBoxed = false, curEnv)
+      if !localSet.isAlwaysEmpty then curEnv = Env(cls, nestedInOwner = false, localSet, isBoxed = false, curEnv)
       try
         val thisSet = cls.classInfo.selfType.captureSet.withDescription(i"of the self type of $cls")
         checkSubset(localSet, thisSet, tree.srcPos) // (2)
@@ -514,7 +514,7 @@ class CheckCaptures extends Recheck, SymTransformer:
     override def recheck(tree: Tree, pt: Type = WildcardType)(using Context): Type =
       if tree.isTerm && pt.isBoxedCapturing then
         val saved = curEnv
-        curEnv = Env(curEnv.owner, false, CaptureSet.Var(), isBoxed = true, curEnv)
+        curEnv = Env(curEnv.owner, nestedInOwner = false, CaptureSet.Var(), isBoxed = true, curEnv)
         try super.recheck(tree, pt)
         finally curEnv = saved
       else
@@ -613,7 +613,7 @@ class CheckCaptures extends Recheck, SymTransformer:
           covariant: Boolean, boxed: Boolean,
           reconstruct: (List[Type], Type) => Type): (Type, CaptureSet) =
         val saved = curEnv
-        curEnv = Env(curEnv.owner, true, CaptureSet.Var(), isBoxed = false, if boxed then null else curEnv)
+        curEnv = Env(curEnv.owner, nestedInOwner = true, CaptureSet.Var(), isBoxed = false, if boxed then null else curEnv)
 
         try
           val (eargs, eres) = expected.dealias match
@@ -643,7 +643,7 @@ class CheckCaptures extends Recheck, SymTransformer:
           covariant: Boolean, boxed: Boolean,
           reconstruct: Type => Type): (Type, CaptureSet) =
         val saved = curEnv
-        curEnv = Env(curEnv.owner, true, CaptureSet.Var(), isBoxed = false, if boxed then null else curEnv)
+        curEnv = Env(curEnv.owner, nestedInOwner = true, CaptureSet.Var(), isBoxed = false, if boxed then null else curEnv)
 
         try
           val eres = expected.dealias.stripCapturing match