BUG: FOR1138 Error INQUIRE(IOLENGTH) of Character Function

• Microsoft Fortran PowerStation for Windows 95 and Windows NT, version 4.0

SYMPTOMS

When you use the INQUIRE statement's IOLENGTH option, if the output list contains a function that returns a variable-length character string, the compiler generates the following internal compiler error:

    error FOR1138: internal compiler error
    Internal Error -- please report this bug
    Command line error D2013: internal compiler error.

STATUS

Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.

MORE INFORMATION

Sample Code to Illustrate Problem

C Compile options needed: none

      INTERFACE
        FUNCTION G(J)
          CHARACTER(LEN=J) G
        END FUNCTION
      END INTERFACE

      INQUIRE(IOLENGTH=I) (G(1))  ! This line causes the error.
      WRITE(*,*) " I = ", I
      END

      FUNCTION G(J)
      INTEGER J
      CHARACTER(LEN=J) G
      G="1"
      END FUNCTION