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# FIX: Error F1001 in range.c Compiling with -Ox

PSS ID Number: 108368

Article Last Modified on 3/24/2000

The information in this article applies to:

- Microsoft Fortran Powerstation 32 for Windows NT 1.0

This article was previously published under Q108368

## SYMPTOMS

An attempt to compile a program, using the -Ox option, that contains an GOTO statement in combination with the INCLUDE may fail with the following error message:
fatal error F1001: INTERNAL COMPILER ERROR
(compiler file '@(#)range.c:1.0', line 2279)

## CAUSE

The INCLUDE file contains an array on the left side of an assignment statement, and the array is not declared. Because undeclared arrays appear as functions to the compiler, the following error message should have been generated:
error F2515: left side of assignment illegal

## RESOLUTION

Make sure all arrays are properly declared.

## STATUS

Microsoft has confirmed this to be a problem in Microsoft FORTRAN PowerStation 32 for Windows NT, version 1.0. This problem was corrected in Microsoft PowerStation 32, version 4.0.

## MORE INFORMATION

The following program illustrates the problem:

### Sample Code

    C Compile options needed: -Ox

          CHARACTER*130 IN
          INCLUDE 'ZDATA.CPY'

    1000  CONTINUE
          LOC=JNDX('TIME SERIESUSER DEFINE?',33,IN,ILEN,11)
          GO TO 1000
          END

    C ZDATA.CPY:
    C The following is the content of the include file:

          JABEL(I) = MBZ23 + I

Additional query words: 1.00

Keywords: kbbug kbCompiler kberrmsg KB108368
Technology: kbAudDeveloper kbFORTRANPower32100NT kbFortranSearch kbZNotKeyword2