RFR(S): 8069191: moving predicate out of loops may cause array accesses to bypass null check

[John Rose]

> On Apr 17, 2015, at 1:16 AM, Roland Westrelin <roland.westrelin at oracle.com> wrote:
> …
> So I guess the test in compile.cpp could simply be n->in(0) != NULL

That would be safer I think. 

– John