[LowerTypeTests] Mark .cfi.jumptable nounwind.

It doesn't unwind, and the wrong marking leads to the creation of an
.eh_frame section when it isn't necessary.

Differential Revision: https://reviews.llvm.org/D46082



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@331008 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed