In section 19(Array), we should check the use of array name.

[co-neco]

In expr.c file:

static struct ASTnode *primary(void) {
...
id = findglob(Text);
if (id == -1)
fatals("Unknown variable", Text);

if (Gsym[id].stype == S_ARRAY)
    n = mkastleaf(A_ADDR, Gsym[id].type, id);
else if (Gsym[id].stype != S_VARIABLE)
    fatals("Wrong stype of identifier", Text);

...
}