https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109557
--- Comment #8 from qinzhao at gcc dot gnu.org ---
with the following slightly modified testing case, the same issue:
#include
#include
struct P {
int k;
int x[10];
} *p;
void store(int a, int b)
{
p = (struct P *)malloc (sizeof
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109557
--- Comment #7 from qinzhao at gcc dot gnu.org ---
Okay, thanks for the comment. I see why this should not work.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109557
Siddhesh Poyarekar changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109557
--- Comment #5 from Martin Uecker ---
(In reply to Siddhesh Poyarekar from comment #4)
> (In reply to Martin Uecker from comment #3)
> > I general the pointer could point to the first object of an array that has
> > more elements, or to an
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109557
--- Comment #4 from Siddhesh Poyarekar ---
(In reply to Martin Uecker from comment #3)
> I general the pointer could point to the first object of an array that has
> more elements, or to an object of a different type.
How so? p in comment 0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109557
Martin Uecker changed:
What|Removed |Added
CC||muecker at gwdg dot de
--- Comment #3
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109557
--- Comment #2 from Siddhesh Poyarekar ---
(In reply to qinzhao from comment #0)
> I am wondering for
> p.3_1 = p;
> _2 = __builtin_object_size (p.3_1, 0);
>
> why the size of p.3_1 cannot use the TYPE_SIZE of the pointee of p when its
> size
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109557
--- Comment #1 from Siddhesh Poyarekar ---
The __bdos call itself cannot succeed in main() because it cannot see the
allocation in store(). One way it could succeed is if store() was inlined, but
for some reason it doesn't, even if you make
