DR408: If a static data member of incomplete array type is declared in a class
template, that member has a dependent type (even if we can see the definition
of the member of the primary template), because the array size could change in
a member specialization.

Patch by Karthik Bhat!


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@194740 91177308-0d34-0410-b5e6-96231b3b80d8