blob: 837b69a36d8aeefa1d625cd0b529bdce344e2376 (
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
|
/* PR middle-end/82063 - issues with arguments enabled by -Wall
{ dg-do compile }
{ dg-options "-O -Walloc-size-larger-than=1zb -ftrack-macro-expansion=0" } */
typedef __SIZE_TYPE__ size_t;
void sink (void*);
#define T(x) sink (x)
/* Verify that an invalid -Walloc-size-larger-than argument is diagnosed
and rejected without changing the default setting of PTRDIFF_MAX. */
void f (void)
{
size_t n = 0;
T (__builtin_malloc (n));
n = __PTRDIFF_MAX__;
T (__builtin_malloc (n));
n += 1;
T (__builtin_malloc (n)); /* { dg-warning "exceeds maximum object size" } */
n = __SIZE_MAX__ - 1;
T (__builtin_malloc (n)); /* { dg-warning "exceeds maximum object size" } */
n = __SIZE_MAX__;
T (__builtin_malloc (n)); /* { dg-warning "exceeds maximum object size" } */
}
/* { dg-warning "invalid argument .1zb. to .-Walloc-size-larger-than=." "" { target *-*-* } 0 } */
|
