When adding a direct initializer to a declaration, allow the

initializer to update the type of the declaration. For example, this
allows us to determine the size of an incomplete array from its
initializer. Fixes PR10288.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141543 91177308-0d34-0410-b5e6-96231b3b80d8