[Bug exp/19820] New: Enumeration constants as not integral types, print artificial array doesn't work

["pero at devnullmail dot com" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=19820

            Bug ID: 19820
           Summary: Enumeration constants as not integral types, print
                    artificial array doesn't work
           Product: gdb
           Version: 7.11
            Status: NEW
          Severity: minor
          Priority: P2
         Component: exp
          Assignee: unassigned at sourceware dot org
          Reporter: pero at devnullmail dot com
  Target Milestone: ---

gcc is 5.3.0 with gnu89 standard.

In the source there is a global enumeration constant sz. Locally
I have an array decayed to pointer m. But if I try to do
`print *m@sz', GDB complains incorrectly that the right operand
to the @ operator is not an integral type, so I have to cast to
int.


Program text:
enum {
        sz = 17
};

void p(int m[sz][sz], int n) {
        int i;
        for (i=1; i<n; i++) {
                int j;
                for (j=i-1; 0<=j; j--) {
                        m[i][j] = abs(3*m[i-1][j] +2*m[i][j+1]) % 9340506;
                }
        }
}

void f(int n) {
        int m[sz][sz];

        g(m, n);

        p(m, n);

        r(m, n);
}

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