Merge changes from topic \'fix-struct-layout\'
am: ea61366

* commit 'ea613661f50e49d9a8074a6342c2091a1bc55d3e':
  Translate GEP instructions on structs to GEP on int8*
  X86: Fix kernel Input/Output GetElementPtr offset issue

Change-Id: If350936ccc606dbb38cfe1fe766765aada7137b3