------- Comment #4 from pinskia at gcc dot gnu dot org  2006-11-24 02:34 -------
(In reply to comment #3)
> The C standard permits structures to have common layout for *initial* elements
> and  casting between these *is* permitted.  But your code is taking the 
> address
> of an element in the *middle* of the structure and this has no defined
> behaviour in the standard.  Consider, for example
The only time the C standard mentions initial elements is with respect of
unions and not aliasing.  In terms of aliasing it mentions about structs
containing other structs but that is common sense there :). 

So this testcase is invalid too.


-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
  GCC build triplet|arm-rtems-gcc -O2 -g -c     |
                   |test.c                      |
         Resolution|                            |INVALID


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29907

Reply via email to