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/* PR c/61240 */
/* { dg-do compile } */
typedef __PTRDIFF_TYPE__ ptrdiff_t;
ptrdiff_t
foo (ptrdiff_t a[4])
{
int i[4];
int *p = i + 2;
static ptrdiff_t b = p - (p - 1); /* { dg-bogus "integer overflow in expression" } */
static ptrdiff_t c = (p - 1) - p; /* { dg-bogus "integer overflow in expression" } */
static ptrdiff_t d = (p - 2) - (p - 1);/* { dg-bogus "integer overflow in expression" } */
static ptrdiff_t e = (p - 1) - (p - 2);/* { dg-bogus "integer overflow in expression" } */
a[0] = p - (p - 1); /* { dg-bogus "integer overflow in expression" } */
a[1] = (p - 1) - p; /* { dg-bogus "integer overflow in expression" } */
a[2] = (p - 2) - (p - 1); /* { dg-bogus "integer overflow in expression" } */
a[3] = (p - 1) - (p - 2); /* { dg-bogus "integer overflow in expression" } */
return b + c + d + e;
}
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