Fix constexpr handling to allow 'extern constexpr' variable declarations. We no
longer have access to the source locations we need to produce the
'replace constexpr with const' fixits, so they're gone for now.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147273 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed