This commit was manufactured by cvs2svn to create tag 'premai4'.

llvm-svn: 87871

Disabled promoting alloca instructions that need run-time checks for bounds
checking or load/store checks.  Such promotions are only needed by the real
automatic pool allocation and only because it fails to insert poolinit()
calls for pools for which now malloc/free occurs.

llvm-svn: 87870