[AsmPrinter] Enable codeview for windows-itanium

Enable codeview emission for windows-itanium targets. Co-opt an existing
test (which is derived from a C source file and should therefore be
identical across the Itanium and MS ABIs).

Differential Revision: https://reviews.llvm.org/D26693

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@287567 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed