[Bug fortran/30870] New: incorrect error message for valid code

["jv244 at cam dot ac dot uk" <gcc-bugzilla at gcc dot gnu dot org>]

With recent trunk, gfortran incorrectly generates an error for the following
standard code:
MODULE TEST
 INTERFACE xx
   MODULE PROCEDURE xx
 END INTERFACE
 public :: xx
CONTAINS
 SUBROUTINE xx(i)
  INTEGER :: I
  I=7
 END SUBROUTINE
END
MODULE TOO
CONTAINS
 SUBROUTINE SUB(xx,I)
  INTERFACE
    SUBROUTINE XX(I)
        INTEGER :: I
    END SUBROUTINE
  END INTERFACE
  CALL XX(I)
 END SUBROUTINE
END MODULE TOO
PROGRAM TT
 USE TEST
 USE TOO
 INTEGER :: I
 CALL SUB(xx,I)
 IF (I.NE.7) CALL ABORT()
END PROGRAM


-- 
           Summary: incorrect error message for valid code
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: jv244 at cam dot ac dot uk


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30870