Can realloc be marked as a mallloc-like function?

[Tobias Schlüter]

H.J. Lu wrote:
> It looks like gcc assumes a functon marked with DECL_IS_MALLOC won't
> return an address which can alias something else. But it isn't true
> for realloc. Now, the qestions are
> 
> 1. Can gcc make such an assumption?
> 2. Can realloc be marked as DECL_IS_MALLOC.
> 
> BTW, glibc also marks realloc with __attribute_malloc__.

There was an absurdely long thread on this topic starting at 
<http://gcc.gnu.org/ml/gcc/2004-01/msg00005.html>.  I didn't dig through 
it to find the answer.

HTH,
- Tobi