Function isPropertyDeclaredInAncestorClass

test/fixtures/snapshot/typescript.js:74856–74871

* It's possible that "prop.valueDeclaration" is a local declaration, but the property was also declared in a superclass. * In that case we won't consider it used before its declaration, because it gets its value from the superclass' declaration.

(prop)

         * In that case we won't consider it used before its declaration, because it gets its value from the superclass' declaration.
         */
        function isPropertyDeclaredInAncestorClass(prop) {
            if (!(prop.parent.flags & 32 /* SymbolFlags.Class */)) {
                return false;
            }
            var classType = getTypeOfSymbol(prop.parent);
            while (true) {
                classType = classType.symbol && getSuperClass(classType);
                if (!classType) {
                    return false;
                }
                var superProperty = getPropertyOfType(classType, prop.escapedName);
                if (superProperty && superProperty.valueDeclaration) {
                    return true;
                }
            }
        }
        function getSuperClass(classType) {
            var x = getBaseTypes(classType);
            if (x.length === 0) {