msan, codegen, instcombine: Keep more lifetime markers used for msan

Reviewers: eugenis

Subscribers: hiraditya, cfe-commits, #sanitizers, llvm-commits

Tags: #clang, #sanitizers, #llvm

Differential Revision: https://reviews.llvm.org/D66695

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@369979 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed