gcc/gcc/testsuite/gcc.dg/Wbool-operation-1.c

17 lines
395 B
C

/* PR c/77490 */
/* { dg-do compile } */
/* { dg-options "-Wall" } */
int
fn (_Bool b)
{
int r = 0;
r += b++; /* { dg-warning "increment of a boolean expression" } */
r += ++b; /* { dg-warning "increment of a boolean expression" } */
r += b--; /* { dg-warning "decrement of a boolean expression" } */
r += --b; /* { dg-warning "decrement of a boolean expression" } */
return r;
}