blob: 4b148f23df51160f9d3e6ea7a85eecba8bd44f38 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
/* { dg-do link } */
/* { dg-options "-O2" } */
struct A
{
int x;
float y;
};
volatile float X, Y;
int __attribute__ ((__noinline__))
baz (struct A *z, struct A *y)
{
z->x = (int) X;
z->y = Y;
y->x = (int) X;
y->y = Y;
}
struct A B;
float foo (int i)
{
struct A *p, x, y, z;
p = (i > 10) ? &x : &z;
x.y = 3.0;
p->x += baz (&z, &y);
X = z.y;
Y = p->y;
/* This predicate should always evaluate to false. The call to
baz() is not a clobbering site for x.y. The operand scanner was
considering it a clobbering site for x.y because x.y is in the
alias set of a call-clobbered memory tag. */
if (x.y != 3.0)
link_error ();
}
main(int argc, char **argv)
{
foo (argc);
}
|
