Fix typo

Author: liufengyun

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

@@ -349,7 +349,7 @@ object ParamOverridingCheck:
 
   // ------------------------- Helper methods ----------------------------------
 
-  /** Does the given class override a class parameter? */
+  /** Does the given class override any class parameter? */
   def overrideClassParams(classSym: ClassSymbol)(using Context): Boolean =
     classSym.info.baseClasses match
       case _ :: inherited =>
@@ -360,4 +360,4 @@ object ParamOverridingCheck:
 
   /** 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)
+    classSym.paramGetters.exists(_.overridingSymbol(by).exists)