[PATCH] C undefined behavior fix

[Paul Mackerras]

dewar@gnat.com writes:
> <<* Given a pointer, I need a way to determine the address (as an int of
>   the appropriate size) that the CPU will present to the MMU when I
>   dereference that pointer.
> >>
> 
> This is in general ill-defined, a compiler might generate code that sometimes
> does byte access to a particular byte, anmd sometimes gets the entire word
> in which the byte resides.

Do I need to try to specify more exactly what I need, then, or do
people generally understand what I was trying to say?

Paul.