Revert "-fexceptions does not, in fact, enable C++ exceptions"

In fact it does. For the driver anyway, and not cc1 which I'm supposed
to pretend doesn't exist.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133673 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed