[thirdparty/gcc.git] / gcc / testsuite / gcc.dg / Walloc-size-larger-than-14.c

/* PR middle-end/82063 - issues with arguments enabled by -Wall
   { dg-do compile }
   { dg-options "-O -Walloc-size-larger-than=123456789123456789123456789123456789 -ftrack-macro-expansion=0" } */

typedef __SIZE_TYPE__ size_t;

void sink (void*);

#define T(x) sink (x)

/* Verify that an exceedingly large -Walloc-size-larger-than argument
   with no suffix is accepted and treated as infinite.  */

void f (void)
{
  size_t n = 0;
  T (__builtin_malloc (n));

  n = __PTRDIFF_MAX__;
  T (__builtin_malloc (n));

  n += 1;
  T (__builtin_malloc (n));

  n = __SIZE_MAX__ - 1;
  T (__builtin_malloc (n));

  n = __SIZE_MAX__;
  T (__builtin_malloc (n));
}
Commit	Line	Data
d258f4aa MS	1	/* PR middle-end/82063 - issues with arguments enabled by -Wall
	2	{ dg-do compile }
	3	{ dg-options "-O -Walloc-size-larger-than=123456789123456789123456789123456789 -ftrack-macro-expansion=0" } */
	4
	5	typedef __SIZE_TYPE__ size_t;
	6
	7	void sink (void*);
	8
	9	#define T(x) sink (x)
	10
	11	/* Verify that an exceedingly large -Walloc-size-larger-than argument
	12	with no suffix is accepted and treated as infinite. */
	13
	14	void f (void)
	15	{
	16	size_t n = 0;
	17	T (__builtin_malloc (n));
	18
	19	n = __PTRDIFF_MAX__;
	20	T (__builtin_malloc (n));
	21
	22	n += 1;
	23	T (__builtin_malloc (n));
	24
	25	n = __SIZE_MAX__ - 1;
	26	T (__builtin_malloc (n));
	27
	28	n = __SIZE_MAX__;
	29	T (__builtin_malloc (n));
	30	}