A DESCRIPTION OF THE PROBLEM :
Error in check of type parameter bounds when wildcard is used as type argument. Same code successfully compiles by Eclipse compiler

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Just try to compile provided source code

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
Successful compilation
ACTUAL -
/TestClass.java:7: error: type argument ? extends B is not within bounds of type-variable E
        C<? extends A, ? extends B> b = new C<A, B>();
                       ^
  where E,T are type-variables:
    E extends T declared in class C
    T extends Object declared in class C
1 error

---------- BEGIN SOURCE ----------
public class TestClass {
    public static class A {}
    public static class B extends A {}
    public static class C<T, E extends T> {}

    public static void main(String args[]) {
        C<? extends A, ? extends B> b = new C<A, B>();
    }
}
---------- END SOURCE ----------

FREQUENCY : always