Move the "needs exception support" logic to clang. This also fixes
-fno-exceptions in C++ code. We used to always define __EXCEPTIONS in
C++.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83199 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed