/* { dg-do compile } */ /* { dg-options "-O2 -Wstrict-overflow=3" } */ #if (__SIZEOF_LONG_LONG__ == __SIZEOF_POINTER__) typedef unsigned long long ptrcast; #elif (__SIZEOF_LONG__ == __SIZEOF_POINTER__) typedef unsigned long ptrcast; #elif (__SIZEOF_INT__ == __SIZEOF_POINTER__) typedef unsigned int ptrcast; #else #error Add target support here #endif volatile unsigned long * sat_add(volatile unsigned long *ptr, unsigned long i, volatile unsigned long *end) { if ((ptrcast)ptr + i * sizeof(*ptr) > (ptrcast)ptr) /* { dg-bogus "pointer wraparound" } */ return ptr + i; else return end; }