gcc/gcc/testsuite/gcc.dg/pr59871.c

23 lines
1.4 KiB
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" } */
}