fix: false positive for interface declared classes

Author: Jack-Works

src/compiler/checker.ts

@@ -473,6 +473,7 @@ import {
     isClassDeclaration,
     isClassElement,
     isClassExpression,
+    isClassFieldAndNotAutoAccessor,
     isClassLike,
     isClassStaticBlockDeclaration,
     isCommaSequence,
@@ -31152,7 +31153,9 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
                 }
                 return false;
             }
-            if (!(flags & ModifierFlags.Static) && forEachProperty(prop, prop => prop.flags & SymbolFlags.Property)) {
+            // A class field cannot be accessed via super.* from a derived class.
+            // This is true for both [[Set]] (old) and [[Define]] (ES spec) semantics.
+            if (!(flags & ModifierFlags.Static) && prop.declarations?.some(isClassFieldAndNotAutoAccessor)) {
                 if (errorNode) {
                     error(errorNode,
                         Diagnostics.Class_field_0_defined_by_the_parent_class_is_not_accessible_in_the_child_class_via_super,

src/compiler/utilitiesPublic.ts

@@ -1691,6 +1691,11 @@ export function isAutoAccessorPropertyDeclaration(node: Node): node is AutoAcces
     return isPropertyDeclaration(node) && hasAccessorModifier(node);
 }
 
+/** @internal */
+export function isClassFieldAndNotAutoAccessor(node: Node): boolean {
+    return node.parent && isClassLike(node.parent) && isPropertyDeclaration(node) && !hasAccessorModifier(node);
+}
+
 /** @internal */
 export function isMethodOrAccessor(node: Node): node is MethodDeclaration | AccessorDeclaration {
     switch (node.kind) {