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/* { dg-do run } */
/* { dg-options "-fsanitize=signed-integer-overflow -Wno-unused-variable" } */
#include <stdio.h>
#define SCHAR_MAX __SCHAR_MAX__
#define SHRT_MAX __SHRT_MAX__
#define INT_MAX __INT_MAX__
#define INT_MIN (-__INT_MAX__ - 1)
void __attribute__((noinline,noclone))
check (int i, int j)
{
if (i != j)
__builtin_abort ();
}
int
main (void)
{
fputs ("UBSAN TEST START\n", stderr);
/* Test integer promotion. */
#if __SCHAR_MAX__ == 127
volatile signed char a = -2;
volatile signed char b = SCHAR_MAX;
volatile signed char c = a * b;
check (c, 2);
#endif
#if __SHRT_MAX__ == 32767
volatile short d = SHRT_MAX;
volatile short e = 2;
volatile short f = d * e;
check (f, -2);
#endif
#if __INT_MAX__ == 2147483647
volatile int m = INT_MAX;
volatile int n = 1;
volatile int o = m * n;
check (o, INT_MAX);
m = INT_MIN;
o = m * n;
check (o, INT_MIN);
#endif
fputs ("UBSAN TEST END\n", stderr);
return 0;
}
/* { dg-output "UBSAN TEST START(\n|\r\n|\r)UBSAN TEST END" } */
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