Initialise a variable to its own undefined value

Question

In C, does initialising a variable to it\'s own value make sense? If yes, what for?

Allow me to elaborate. In Git sources there are some examples of initialising a varia

Answer 1

On MacOS X 10.7.2, I tried this example - with the result shown...

$ cat x3.c
#include 

int status = -7;

int main()
{
    printf("status = %d\n", status);
    int status = status;
    printf("status = %d\n", status);
    return 0;
}
$ make x3
gcc -O -std=c99 -Wall -Wextra  x3.c -o x3  
$ ./x3
status = -7
status = 1787486824
$

The stack space where the local status in main() has been used by printf() so the self-initialization copies garbage around.