Update docs

Author: liufengyun

compiler/src/dotty/tools/dotc/transform/init/ParamOverridingCheck.scala

@@ -85,7 +85,7 @@ object ParamOverridingCheck:
       value match
         case ref: ThisRef =>
           val target =
-            if needResolve && !ctx.property(IsInSuperCall).nonEmpty then
+            if needResolve && ctx.property(IsInSuperCall).isEmpty then
               Semantic.resolve(ref.klass, field)
             else
               field
@@ -355,6 +355,6 @@ object ParamOverridingCheck:
       case Nil =>
         false
 
-  /** Does the given class override a class parameter? */
+  /** Does the class `classSym` have any class parameter overridden by the class `by`? */
   def anyClassParameterOverridenBy(classSym: ClassSymbol, by: ClassSymbol)(using Context): Boolean =
     classSym.paramGetters.exists(_.overridingSymbol(classSym).exists)