[thirdparty/gcc.git] / gcc / testsuite / gcc.dg / overflow-warn-6.c

/* Test non-constant operands in overflowed expressions.  */
/* { dg-do compile } */
/* { dg-options "-std=c99 -Woverflow" } */

#include <limits.h>

int 
h1 (int x)
{
  return x * (0 * (INT_MAX + 1)); /* { dg-warning "integer overflow in expression" } */
}

int 
h2 (int x)
{
  return ((INT_MAX + 1) * 0) * x; /* { dg-warning "integer overflow in expression" } */
}
Commit	Line	Data
59c0753d MLI	1	/* Test non-constant operands in overflowed expressions. */
	2	/* { dg-do compile } */
	3	/* { dg-options "-std=c99 -Woverflow" } */
	4
	5	#include <limits.h>
	6
	7	int
	8	h1 (int x)
	9	{
ad0637fd	10	return x * (0 * (INT_MAX + 1)); /* { dg-warning "integer overflow in expression" } */
59c0753d MLI	11	}
	12
	13	int
	14	h2 (int x)
	15	{
ad0637fd	16	return ((INT_MAX + 1) * 0) * x; /* { dg-warning "integer overflow in expression" } */
59c0753d MLI	17	}
59c0753d MLI	18