fix assembly of safe_address() for x86 and x86_64
fix assembly of safe_address() for x86 and x86_64
truncate results at depth of 255 to prevent corruption
Merge branch 'PHP-5.3' into PHP-5.4

# By Rob Richards (1)
* PHP-5.3:
  truncate results at depth of 255 to prevent corruption
Merge branch 'PHP-5.4' into PHP-5.5

# By Nuno Lopes (2) and Rob Richards (1)
* PHP-5.4:
  truncate results at depth of 255 to prevent corruption
  fix assembly of safe_address() for x86 and x86_64
  fix assembly of safe_address() for x86 and x86_64