Downgrade the error about re-opening an inline namespace as non-inline
to a warning, since apparently libstdc++'s debug mode does this (and
we can recover safely). Add a Fix-It to insert the "inline", just for kicks.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131732 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed