[thirdparty/gcc.git] / gcc / testsuite / gcc.dg / pr59871.c

/* PR c/59871 */
/* { dg-do compile } */
/* { dg-options "-Wunused" } */

extern int bar ();

void
foo (int *p, int i)
{
  p[0] = (bar (), 1, bar ()); /* { dg-warning "right-hand operand of comma expression has no effect" } */
  p[1] = (1, bar ()); /* { dg-warning "left-hand operand of comma expression has no effect" } */
  bar (), 1, bar (); /* { dg-warning "right-hand operand of comma expression has no effect" } */
  bar (), 1; /* { dg-warning "right-hand operand of comma expression has no effect" } */
  1, bar (); /* { dg-warning "left-hand operand of comma expression has no effect" } */
  (bar (), 1); /* { dg-warning "right-hand operand of comma expression has no effect" } */
  bar (), 5 * i; /* { dg-warning "right-hand operand of comma expression has no effect" } */
  (bar (), 5 * i); /* { dg-warning "right-hand operand of comma expression has no effect" } */
  (bar (), (bar (), (bar (), (bar (), (bar (), (bar (), (bar (), 7))))))); /* { dg-warning "right-hand operand of comma expression has no effect" } */
  bar (), (bar (), (bar (), (bar (), (bar (), (bar (), (bar (), 7)))))); /* { dg-warning "right-hand operand of comma expression has no effect" } */
  bar (), (bar (), (bar (), (bar (), (bar (), (bar (), (7, bar ())))))); /* { dg-warning "left-hand operand of comma expression has no effect" } */
  (bar (), (bar (), (bar (), (bar (), (bar (), (bar (), (7, bar ()))))))); /* { dg-warning "left-hand operand of comma expression has no effect" } */
}
Commit	Line	Data
789eadcd MP	1	/* PR c/59871 */
	2	/* { dg-do compile } */
	3	/* { dg-options "-Wunused" } */
	4
	5	extern int bar ();
	6
	7	void
	8	foo (int *p, int i)
	9	{
	10	p[0] = (bar (), 1, bar ()); /* { dg-warning "right-hand operand of comma expression has no effect" } */
	11	p[1] = (1, bar ()); /* { dg-warning "left-hand operand of comma expression has no effect" } */
	12	bar (), 1, bar (); /* { dg-warning "right-hand operand of comma expression has no effect" } */
	13	bar (), 1; /* { dg-warning "right-hand operand of comma expression has no effect" } */
	14	1, bar (); /* { dg-warning "left-hand operand of comma expression has no effect" } */
	15	(bar (), 1); /* { dg-warning "right-hand operand of comma expression has no effect" } */
	16	bar (), 5 * i; /* { dg-warning "right-hand operand of comma expression has no effect" } */
	17	(bar (), 5 * i); /* { dg-warning "right-hand operand of comma expression has no effect" } */
	18	(bar (), (bar (), (bar (), (bar (), (bar (), (bar (), (bar (), 7))))))); /* { dg-warning "right-hand operand of comma expression has no effect" } */
	19	bar (), (bar (), (bar (), (bar (), (bar (), (bar (), (bar (), 7)))))); /* { dg-warning "right-hand operand of comma expression has no effect" } */
	20	bar (), (bar (), (bar (), (bar (), (bar (), (bar (), (7, bar ())))))); /* { dg-warning "left-hand operand of comma expression has no effect" } */
	21	(bar (), (bar (), (bar (), (bar (), (bar (), (bar (), (7, bar ()))))))); /* { dg-warning "left-hand operand of comma expression has no effect" } */
	22	}