merge revision(s) 32628:
* vm_insnhelper.c (vm_call_cfunc): added volatile for a workaround of cfp consistency error problem on OS X 10.7 (Lion). It's suspected llvm optimization bug. [Bug #5076] [ruby-dev:44185]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@32629 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 32628:
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@32629 b2dd03c8-39d4-4d8f-98ff-823fe69b080e