FIX: Compiler Hangs or F1001 Error, Line 1687 w/ISHFT (75074)

The information in this article applies to:

Microsoft FORTRAN Compiler for MS-DOS 5.0
Microsoft FORTRAN Compiler for MS-DOS 5.1
Microsoft FORTRAN compiler for OS/2 5.0
Microsoft FORTRAN compiler for OS/2 5.1

This article was previously published under Q75074

SYMPTOMS

When compiling with the /Zi or /Od options, the following internal compiler error is generated:

fatal error F1001: Internal Compiler Error
(compiler file '@(#)ctypes.c:1.11', line 1657)

When the type statement is commented out, /Zi or /Od do not generate the internal compiler error. The compiler will hang under MS-DOS or generate a protection violation under OS/2.

STATUS

Microsoft has confirmed this to be a bug in the products listed above. This problem was corrected in FORTRAN PowerStation, version 1.0.

MORE INFORMATION

The following code can be used to reproduce the problem:

Sample code

        integer*4 ivar1
        ivar1=ISHFT(1,31) +1
        stop
        end

Modification Type:	Major	Last Reviewed:	12/1/2003
Keywords:	kbfix KB75074