Review: displacement bug fix

Yet another fix to the P & N copying code for displacement to make the interpreter and LLVM work the same way -- don't "find" the symbol from a layer that never was bound.

[clifford.stein, 2010-08-02 18:41:39]

On 2010/08/02 18:19:05, larrygritz wrote:
> 

LGTM

[larrygritz, 2010-08-02 18:41:45]

Actually, it's even easier.  Instead of

 if (exec.instance() && exec.bound()) {

it's ok to just test

 if (exec.bound()) {

Bound implies that there is a good instance pointer, not the other way around
necessarily.  That was my mistake all along.

[clifford.stein, 2010-08-02 18:45:42]

On 2010/08/02 18:41:45, larrygritz wrote:
> Actually, it's even easier.  Instead of
> 
>  if (exec.instance() && exec.bound()) {
> 
> it's ok to just test
> 
>  if (exec.bound()) {
> 
> Bound implies that there is a good instance pointer, not the other way around
> necessarily.  That was my mistake all along.

LGTM