.assembly extern mscorlib {}

.assembly 'test-377-lib' {}

  .class interface public auto ansi abstract beforefieldinit Foo
  	extends [mscorlib]System.Object
  {
    // method line 2
    .method public virtual  abstract 
           instance default void foo (int32)  cil managed 
    {
        // Method begins at RVA 0x0
    } // end of method Foo::instance default void foo () 

  } // end of class Foo