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/* Test diagnostics for array references. */
/* Origin: Joseph Myers <joseph@codesourcery.com> */
/* { dg-do compile } */
/* { dg-options "-std=gnu89" } */
struct s { char c[1]; };
struct s f (void);
_Bool b;
char c;
enum e { E } e;
extern int a[];
int *p;
void *pv;
void (*fp)(void);
struct si *sip;
void
g (void)
{
a[b];
a[c];
a[e];
p[b];
p[c];
p[e];
b[a];
c[a];
e[a];
b[p];
c[p];
e[p];
/* These two should be treated the same. In particular, a "neither
array nor pointer" bogus warning used to be given for the
second. */
f().c[0];
0[f().c];
/* Various invalid cases. */
c[c]; /* { dg-error "subscripted value is neither array nor pointer nor vector" } */
p[1.0]; /* { dg-error "array subscript is not an integer" } */
1.0[a]; /* { dg-error "array subscript is not an integer" } */
fp[0]; /* { dg-error "subscripted value is pointer to function" } */
0[fp]; /* { dg-error "subscripted value is pointer to function" } */
pv[0]; /* { dg-warning "dereferencing 'void \\*' pointer" } */
0[pv]; /* { dg-warning "dereferencing 'void \\*' pointer" } */
sip[0]; /* { dg-error "invalid use of undefined type 'struct si'" } */
/* { dg-error "dereferencing pointer to incomplete type" "incomplete" { target *-*-* } 45 } */
0[sip]; /* { dg-error "invalid use of undefined type 'struct si'" } */
/* { dg-error "dereferencing pointer to incomplete type" "incomplete" { target *-*-* } 47 } */
}
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