Downgrade C++11 narrowing conversion errors to warnings default-mapped
to an error, so that users can turn them off if necessary. Note that
this does *not* change the behavior of in a SFINAE context, where we
still flag an error even if the warning is disabled. This matches
GCC's behavior.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148701 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed