gcc/gcc/testsuite/gcc.dg/pr60195.c

57 lines
585 B
C

/* PR c/60195 */
/* { dg-do compile } */
/* { dg-options "-std=c11 -Wpedantic -Wall" } */
typedef _Atomic int atomic_int;
atomic_int
fn1 (void)
{
atomic_int y = 0;
return y;
}
atomic_int
fn2 (void)
{
atomic_int y = 0;
y;
return y;
}
atomic_int
fn3 (void)
{
atomic_int y = 0;
y++;
return y;
}
void
fn4 (void)
{
atomic_int y;
y = 0;
(void) y;
}
void
fn5 (void)
{
atomic_int y = 0; /* { dg-warning "unused variable" } */
}
void
fn6 (void)
{
atomic_int y; /* { dg-warning "set but not used" } */
y = 0;
}
void
fn7 (void)
{
atomic_int y = 0;
y++;
}