src/java.base/share/classes/java/lang/reflect/Executable.java

@@ -33,10 +33,11 @@
  import java.util.StringJoiner;
  import java.util.stream.Collectors;
  
  import jdk.internal.access.SharedSecrets;
  import jdk.internal.vm.annotation.Stable;
+ import jdk.internal.value.PrimitiveClass;
  import sun.reflect.annotation.AnnotationParser;
  import sun.reflect.annotation.AnnotationSupport;
  import sun.reflect.annotation.TypeAnnotationParser;
  import sun.reflect.annotation.TypeAnnotation;
  import sun.reflect.generics.reflectiveObjects.ParameterizedTypeImpl;

@@ -211,19 +212,23 @@
  
      /**
       * {@return an unmodifiable set of the {@linkplain AccessFlag
       * access flags} for the executable represented by this object,
       * possibly empty}
+      * The {@code AccessFlags} may depend on the class file format version of the class.
       *
       * @see #getModifiers()
       * @jvms 4.6 Methods
       * @since 20
       */
      @Override
      public Set<AccessFlag> accessFlags() {
+         int major = SharedSecrets.getJavaLangAccess().classFileFormatVersion(getDeclaringClass()) & 0xffff;
+         var cffv = ClassFileFormatVersion.fromMajor(major);
          return AccessFlag.maskToAccessFlags(getModifiers(),
-                                             AccessFlag.Location.METHOD);
+                                             AccessFlag.Location.METHOD,
+                                             cffv);
      }
  
      /**
       * Returns an array of {@code TypeVariable} objects that represent the
       * type variables declared by the generic declaration represented by this

@@ -785,6 +790,14 @@
                  this,
                  getDeclaringClass(),
                  getGenericExceptionTypes(),
                  TypeAnnotation.TypeAnnotationTarget.THROWS);
      }
+ 
+     String getDeclaringClassTypeName() {
+         Class<?> c = getDeclaringClass();
+         if (PrimitiveClass.isPrimitiveClass(c)) {
+             c = PrimitiveClass.asValueType(c);
+         }
+         return c.getTypeName();
+     }
  }