* Make catch_begin() produce a pointer that must be passed to catch_end()
* Eliminate the caught exception stack.
* Add optional debugging code that may be turned on.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8184 91177308-0d34-0410-b5e6-96231b3b80d8
Call terminate and unexpected where appropriate.
Interface to libstdc++ as appropriate
Initial cut at implementing function exception specifications
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8169 91177308-0d34-0410-b5e6-96231b3b80d8
