[Bug c/29901] wrong warning with -Wstrict-aliasing/-fstrict-aliasing

[pinskia at gcc dot gnu dot org]

------- Comment #1 from pinskia at gcc dot gnu dot org  2006-11-19 20:46 -------
(In reply to comment #0) 
> but:
> 
>      the same address as an object of a different type, unless the
>      types are almost the same.  For example, an `unsigned int' can
>      alias an `int', but not a `void*' or a `double'.  A character type
>      may alias any other type.
> 
> Signed/unsigned casts or casts to char should not produce a warning according
> to the documentation.

Except "unsigned char*" cannot alias "char *".  The warning is correct.

What the document is taking about is specificly the non pointers.


-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |INVALID


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29901