Debugger problem with assumed-length CHARACTER dummy arguments with ALLOCATABLE actual in Intel Fortran Compiler 15

Consider the simple code shown below.  The debugger hover and watch functionality in Visual Studio doesn't show the correct value for the assumed-length CHARACTER dummy argument when the actual argument has the ALLOCATABLE attribute.  I'm using Intel Fortran Compiler 15, Update 1.  But I think the problem is present in compiler 15, initial release too.

   MODULE m

      !..
      IMPLICIT NONE

   CONTAINS

      SUBROUTINE foo(String)

         IMPLICIT NONE

         !..
         CHARACTER(LEN=*), INTENT(IN) :: String

         !..
         PRINT *, " foo: String = ", String

         !..
         RETURN

      END SUBROUTINE foo

   END MODULE m

   PROGRAM p

      USE m, ONLY : foo

      IMPLICIT NONE

      !..
      CHARACTER(LEN=:), ALLOCATABLE :: s

      !..
      s = "Hello World!"

      CALL foo(s)

      !..
      STOP

   END PROGRAM p

Is this a known issue?  Any fix for this?