OSDN Git Service
(root)
/
pf3gnuchains
/
gcc-fork.git
/ blob
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
history
|
raw
|
HEAD
* lib/lto.exp (lto_prune_vis_warns): Renamed to lto_prune_warns.
[pf3gnuchains/gcc-fork.git]
/
gcc
/
testsuite
/
g++.dg
/
init
/
copy7.C
1
// PR c++/39480
2
// It isn't always safe to call memcpy with identical arguments.
3
// { dg-do run }
4
5
extern "C" void abort();
6
extern "C" void *
7
memcpy(void *dest, void *src, __SIZE_TYPE__ n)
8
{
9
if (dest == src)
10
abort();
11
else
12
{
13
__SIZE_TYPE__ i;
14
for (i = 0; i < n; i++)
15
((char *)dest)[i] = ((const char*)src)[i];
16
}
17
}
18
19
struct A
20
{
21
double d[10];
22
};
23
24
struct B: public A
25
{
26
char bc;
27
};
28
29
B b;
30
31
void f(B *a1, B* a2)
32
{
33
*a1 = *a2;
34
}
35
36
int main()
37
{
38
f(&b,&b);
39
}