[Bug c++/56080] Incorrect code generated when changing lvalue of pointer and using inline code and optimizations.

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56080



Andrew Pinski <pinskia at gcc dot gnu.org> changed:



           What    |Removed                     |Added

----------------------------------------------------------------------------

             Status|WAITING                     |RESOLVED

         Resolution|                            |INVALID



--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> 2013-01-22 
21:57:37 UTC ---

++(*((uint32_t**)&d));



You are violating C/C++ aliasing rules.  You are accessing d via void* and also

uint32_t*.  To write this correctly is:

d = ((uint32_t*)d)+1;