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/* PR tree-optimization/86532 - Wrong code due to a wrong strlen folding
starting with r262522
Exercise strlen() with a multi-dimensional array of strings with
embedded nuls. */
extern __SIZE_TYPE__ strlen (const char*);
static const char a[2][3][9] = {
{ "1", "1\0002" },
{ "12\0003", "123\0004" }
};
volatile int v0 = 0;
volatile int v1 = 1;
volatile int v2 = 2;
volatile int v3 = 3;
volatile int v4 = 4;
volatile int v5 = 5;
volatile int v6 = 6;
volatile int v7 = 7;
#define A(expr) \
((expr) ? (void)0 : (__builtin_printf ("assertion on line %i: %s\n", \
__LINE__, #expr), \
__builtin_abort ()))
void test_array_ref (void)
{
int i0 = 0;
int i1 = i0 + 1;
int i2 = i1 + 1;
int i3 = i2 + 1;
int i4 = i3 + 1;
int i5 = i4 + 1;
int i6 = i5 + 1;
int i7 = i6 + 1;
A (strlen (a[0][0]) == 1);
A (strlen (a[0][1]) == 1);
A (strlen (a[1][0]) == 2);
A (strlen (a[1][1]) == 3);
A (strlen (&a[0][0][0]) == 1);
A (strlen (&a[0][1][0]) == 1);
A (strlen (&a[1][0][0]) == 2);
A (strlen (&a[1][1][0]) == 3);
A (strlen (&a[0][0][0] + 1) == 0);
A (strlen (&a[0][1][0] + 1) == 0);
A (strlen (&a[0][1][0] + 2) == 1);
A (strlen (&a[0][1][0] + 3) == 0);
A (strlen (&a[0][1][0] + 7) == 0);
A (strlen (&a[1][0][0] + 1) == 1);
A (strlen (&a[1][1][0] + 1) == 2);
A (strlen (&a[1][1][0] + 2) == 1);
A (strlen (&a[1][1][0] + 7) == 0);
A (strlen (a[i0][i0]) == 1);
A (strlen (a[i0][i1]) == 1);
A (strlen (a[i1][i0]) == 2);
A (strlen (a[i1][i1]) == 3);
A (strlen (&a[i0][i0][i0]) == 1);
A (strlen (&a[i0][i1][i0]) == 1);
A (strlen (&a[i0][i1][i1]) == 0);
A (strlen (&a[i0][i1][i2]) == 1);
A (strlen (&a[i0][i1][i3]) == 0);
A (strlen (&a[i0][i1][i3]) == 0);
A (strlen (&a[i1][i0][i0]) == 2);
A (strlen (&a[i1][i1][i0]) == 3);
A (strlen (&a[i1][i1][i1]) == 2);
A (strlen (&a[i1][i1][i2]) == 1);
A (strlen (&a[i1][i1][i3]) == 0);
A (strlen (&a[i1][i1][i4]) == 1);
A (strlen (&a[i1][i1][i5]) == 0);
A (strlen (&a[i1][i1][i6]) == 0);
A (strlen (&a[i1][i1][i7]) == 0);
A (strlen (&a[i0][i0][i0] + i1) == 0);
A (strlen (&a[i0][i1][i0] + i1) == 0);
A (strlen (&a[i0][i1][i0] + i7) == 0);
A (strlen (&a[i1][i0][i0] + i1) == 1);
A (strlen (&a[i1][i1][i0] + i1) == 2);
A (strlen (&a[i1][i1][i0] + i2) == 1);
A (strlen (&a[i1][i1][i0] + i3) == 0);
A (strlen (&a[i1][i1][i0] + i4) == 1);
A (strlen (&a[i1][i1][i0] + i5) == 0);
A (strlen (&a[i1][i1][i0] + i6) == 0);
A (strlen (&a[i1][i1][i0] + i7) == 0);
A (strlen (a[i0][i0]) == 1);
A (strlen (a[i0][i1]) == 1);
A (strlen (a[i1][i0]) == 2);
A (strlen (a[i1][i1]) == 3);
A (strlen (&a[i0][i0][i0]) == 1);
A (strlen (&a[i0][i1][i0]) == 1);
A (strlen (&a[i1][i0][i0]) == 2);
A (strlen (&a[i1][i1][i0]) == 3);
A (strlen (&a[i0][i0][i0] + v1) == 0);
A (strlen (&a[i0][i0][i0] + v2) == 0);
A (strlen (&a[i0][i0][i0] + v7) == 0);
A (strlen (&a[i0][i1][i0] + v1) == 0);
A (strlen (&a[i0][i1][i0] + v2) == 1);
A (strlen (&a[i0][i1][i0] + v3) == 0);
A (strlen (&a[i1][i0][i0] + v1) == 1);
A (strlen (&a[i1][i1][i0] + v1) == 2);
A (strlen (&a[i1][i1][i0] + v2) == 1);
A (strlen (&a[i1][i1][i0] + v3) == 0);
A (strlen (&a[i1][i1][i0] + v4) == 1);
A (strlen (&a[i1][i1][i0] + v5) == 0);
A (strlen (&a[i1][i1][i0] + v6) == 0);
A (strlen (&a[i1][i1][i0] + v7) == 0);
}
int main (void)
{
test_array_ref ();
}
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