|
111
|
1 // { dg-do run }
|
|
|
2
|
|
|
3 // Copyright (C) 2006 Free Software Foundation, Inc.
|
|
|
4
|
|
|
5 // Originally from PR 16681, found also in init/array15.C
|
|
|
6 // This variant of the testcase verifies that we do not create
|
|
|
7 // a temporary on the stack, which is PR 27620.
|
|
|
8
|
|
|
9 int i;
|
|
|
10
|
|
|
11 extern "C"
|
|
|
12 void *memcpy (void *dest, const void *src, __SIZE_TYPE__ n)
|
|
|
13 {
|
|
|
14 char *d = (char *) dest;
|
|
|
15 const char *s = (const char *) src;
|
|
|
16 while (n--)
|
|
|
17 d[n] = s[n];
|
|
|
18 ++i;
|
|
|
19 return dest;
|
|
|
20 }
|
|
|
21
|
|
|
22 struct foo {
|
|
|
23 unsigned char buffer[41112];
|
|
|
24 foo() ;
|
|
|
25 bool check () const;
|
|
|
26 };
|
|
|
27
|
|
|
28 foo::foo ()
|
|
|
29 : buffer()
|
|
|
30 {}
|
|
|
31
|
|
|
32 bool foo::check () const
|
|
|
33 {
|
|
|
34 for (unsigned ix = sizeof (buffer); ix--;)
|
|
|
35 if (buffer[ix])
|
|
|
36 return false;
|
|
|
37 return true;
|
|
|
38 }
|
|
|
39
|
|
|
40 void *operator new (__SIZE_TYPE__ size, void *p)
|
|
|
41 {
|
|
|
42 return p;
|
|
|
43 }
|
|
|
44
|
|
|
45 char heap[50000];
|
|
|
46
|
|
|
47 int main ()
|
|
|
48 {
|
|
|
49 for (unsigned ix = sizeof (heap); ix--;)
|
|
|
50 heap[ix] = ix;
|
|
|
51
|
|
|
52 i = 0;
|
|
|
53 foo *f = new (heap) foo ();
|
|
|
54
|
|
|
55 if (i != 0)
|
|
|
56 return 1;
|
|
|
57 if (!f->check ())
|
|
|
58 return 1;
|
|
|
59 return 0;
|
|
|
60 }
|
|
|
61
|
|
|
62
|
