OpenBSD UBsan support missing bits

Summary:
Lost bits since the WIP ticket

Patch by David CARLIER

Reviewers: vitalybuka, vsk

Reviewed By: vitalybuka

Subscribers: srhines, kubamracek, krytarowski, fedor.sergeev, llvm-commits, #sanitizers

Differential Revision: https://reviews.llvm.org/D44599

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@327923 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed