constexpr: Unlike other incomplete types, 'void' cannot possibly be completed as
a literal type. Disallow it as the return type of a constexpr function
declaration.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149469 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed