Q65328: C1001: Internal Compiler Error: ‘@(#)regMD.c:1.100’, Line 3837

Article: Q65328
Product(s): See article
Version(s): 6.00   | 6.00
Operating System(s): MS-DOS | OS/2
Keyword(s): ENDUSER | buglist6.00 | mspl13_c
Last Modified: 31-AUG-1990

The code below generates the following error when compiled with any
optimization in any memory model:

   fatal error C1001: Internal Compiler Error
             (compiler file '@(#)regMD.c:1.100', line 3837)

The only workarounds in this case are as follows:

1. Do not use a static array for an index.

2. Do not use register variables for indexing.

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

static int keyList[10];

struct
{
  int fdkey[10];
} fsys[30];

int bar(int i)
{
  return;
}

void foo(int fd)
{
  register j,k;
  int kk;

  for (k=0;k<j;k++)
  {
    bar(fsys[fd].fdkey[keyList[k]]);
  }
}

Microsoft has confirmed this to be a problem with C version 6.00. We
are researching this problem and will post new information here as it
becomes available.

THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY.

Copyright Microsoft Corporation 1986-2002.