## FIX: C4713: Internal Compiler Error, File reg86.c, line 2934

Q115529

    1.00
    WINDOWS
    kbtool kbfixlist kbbuglist

    ----------------------------------------------------------------------
    The information in this article applies to:

     - The Microsoft C/C++ Compiler (CL.EXE), included with:
        - Microsoft Visual C++ for Windows, version 1.0
    ----------------------------------------------------------------------

    SYMPTOMS
    ========

    The use of global register allocation by the optimizing compiler in the
    sample code (in the "MORE INFORMATION" section, below) generates the
    following warning message and prevents the compiler from creating an object
    module:

       test.c(16) : warning C4713: GetDlgFields: internal compiler error
                    restarting (compiler file '@(#)reg86.c:1.26', line 2934)

    RESOLUTION
    ==========

    There are three workarounds to this problem:

     - Use the fast compiler option, /f.

       -or-

     - Remove the /Oe compiler option to disable global register allocation by
       the optimizing compiler.

       -or-

     - Use the optimize pragma to disable optimization during the function
       where the error occurs:

              #pragma optimize("",off)

              void test_func(void)
              {
               /* ... */
              }

              #pragma optimize("",on)

    STATUS
    ======

    Microsoft has confirmed this to be a problem in the Microsoft products
    listed above. This problem was corrected in Visual C++ version 1.5.

    MORE INFORMATION
    ================

    The following sample code demonstrates this problem:

    Sample Code
    -----------

    /* Compile options needed: /Oe /c
    */
       #include <windows.h>
       #include <windowsx.h>
       #include <string.h>

       BOOL    GetDlgFields (HWND hwnd, char *npRec)
       {
          int i, iLeft = 256, iLen;

          for (i = 0; i < 5; i++)
          {
             iLen = Edit_GetLine (hwnd, i, npRec, iLeft);
             if (strstr (npRec, "\r\n"))
                iLen -= 2;
             npRec += iLen;
             *npRec = '\t';
             iLeft -= ++iLen;
             ++npRec;
          }
          return TRUE;
       }

    Additional reference words: 1.00 8.00
    KBCategory: kbtool kbfixlist kbbuglist
    KBSubcategory: CLIss

Keywords : kb16bitonly kbCompiler
Issue type :
Technology : kbVCsearch kbAudDeveloper kbCVCComp

Last Reviewed: May 5, 2001 © 2001 Microsoft Corporation. All rights reserved. Terms of Use.