[Bug debug/78100] DWARF symbols for an array sometimes missing the array length

[gccbugs at dima dot secretsauce.net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78100

--- Comment #2 from Dima Kogan <gccbugs at dima dot secretsauce.net> ---
For easier reading, the test program looks like this:

     #include <stdio.h>

     extern int s[];
     int s[] = { 1,2,3 };

     int main(void)
     {
         printf("%zd\n", sizeof(s));
         return 0;
     }