http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53016
Richard Earnshaw <rearnsha at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution| |INVALID
--- Comment #8 from Richard Earnshaw <rearnsha at gcc dot gnu.org> 2012-04-18
14:23:04 UTC ---
Casts do not change the fact that the pointer initialized in statement I
highlighted creates undefined behaviour. The fact that you are using memcpy is
a red herring.
>From c99:
6.3.2.3 Pointers
7) A pointer to an object or incomplete type may be converted to a pointer to a
different object or incomplete type. If the resulting pointer is not correctly
aligned for the pointed-to type, the behavior is undefined. ...
