PR19415: Converting 'constexpr' to 'const' in a non-static data member can fail
if the member is already 'const'. Don't assert in that case.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@206205 91177308-0d34-0410-b5e6-96231b3b80d8
Add module name and module map file to -module-file-info

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@206217 91177308-0d34-0410-b5e6-96231b3b80d8
Make sure these two files are distinct, or else the modules system may, on certain file systems, treat them as if they were the same file.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@206221 91177308-0d34-0410-b5e6-96231b3b80d8