Remove a malfunctioning predicate used only in assertions.

This check thought it filtered pointers aligned on 4-byte boundaries
and inclusion in the heap but actually checked for pointers on 8-byte
boundaries.  Both checks surround storing method call return values
which are gauranteed to be stack allocated.

Change-Id: I9cfd9eb06c5bd1d5cf55b372771da20425c56406
4 files changed