If an unimported submodule of an imported module contains a declaration of a
global allocation or deallocation function, that should not cause that global
allocation or deallocation function to become unavailable.


git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@186270 91177308-0d34-0410-b5e6-96231b3b80d8