Exclude warning "Remove final upper bound" for functions with override modifier

^KT-25105 Fixed

compiler/frontend/src/org/jetbrains/kotlin/resolve/DeclarationsChecker.kt

@@ -369,7 +369,7 @@ class DeclarationsChecker(
             upperBoundCheckRequests.add(DescriptorResolver.UpperBoundCheckRequest(name, typeReference, type))
         }
 
-        DescriptorResolver.checkUpperBoundTypes(trace, upperBoundCheckRequests)
+        DescriptorResolver.checkUpperBoundTypes(trace, upperBoundCheckRequests, false)
 
         for (request in upperBoundCheckRequests) {
             DescriptorResolver.checkBounds(request.upperBound, request.upperBoundType, trace)

compiler/frontend/src/org/jetbrains/kotlin/resolve/DescriptorResolver.java

@@ -560,12 +560,16 @@ public class DescriptorResolver {
         }
 
         if (!(declaration instanceof KtClass)) {
-            checkUpperBoundTypes(trace, upperBoundCheckRequests);
+            checkUpperBoundTypes(trace, upperBoundCheckRequests, declaration.hasModifier(KtTokens.OVERRIDE_KEYWORD));
             checkNamesInConstraints(declaration, descriptor, scope, trace);
         }
     }
 
-    public static void checkUpperBoundTypes(@NotNull BindingTrace trace, @NotNull List<UpperBoundCheckRequest> requests) {
+    public static void checkUpperBoundTypes(
+            @NotNull BindingTrace trace,
+            @NotNull List<UpperBoundCheckRequest> requests,
+            boolean hasOverrideModifier
+    ) {
         if (requests.isEmpty()) return;
 
         Set<Name> classBoundEncountered = new HashSet<>();
@@ -593,7 +597,7 @@ public class DescriptorResolver {
                 }
             }
 
-            checkUpperBoundType(upperBoundElement, upperBound, trace);
+            checkUpperBoundType(upperBoundElement, upperBound, trace, hasOverrideModifier);
         }
     }
 
@@ -641,9 +645,10 @@ public class DescriptorResolver {
     public static void checkUpperBoundType(
             KtTypeReference upperBound,
             @NotNull KotlinType upperBoundType,
-            BindingTrace trace
+            BindingTrace trace,
+            boolean hasOverrideModifier
     ) {
-        if (!TypeUtils.canHaveSubtypes(KotlinTypeChecker.DEFAULT, upperBoundType)) {
+        if (!hasOverrideModifier && !TypeUtils.canHaveSubtypes(KotlinTypeChecker.DEFAULT, upperBoundType)) {
             trace.report(FINAL_UPPER_BOUND.on(upperBound, upperBoundType));
         }
         if (DynamicTypesKt.isDynamic(upperBoundType)) {