Q67778: C1001: Internal Compiler Error: regMD.c, Line 1017

Article: Q67778
Product(s): See article
Version(s): 6.00a  | 6.00a
Operating System(s): MS-DOS | OS/2
Keyword(s): ENDUSER | buglist6.00a | mspl13_c
Last Modified: 28-DEC-1990

When compiling with /Oe optimization under the compact or large memory
models, the code below generates the following internal compiler error
with Microsoft C version 6.00a:

   fatal error c1001: Internal Compiler Error
        (compiler file '@(#)regMD.c:1.110',line 1017)
        Contact Microsoft Product Support Services

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

    char hex_digits[]={"f"};

    int x(char *resultp, int item)
    {
        char *s;
        int hundreds;

        s=resultp;
        hundreds=100;
        if(hundreds)
          *s++='0';
        *s++=' ';
        *s++=hex_digits[item/16];
        *s++=hex_digits[item%16];
    }

The following are valid workarounds for the problem:

1. Compile without the /Oe optimization.

2. Use the #pragma optimize switch in the code to turn off the
   offending optimizations for the particular function.

3. Compile under the small or medium memory models.

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