Add a verbose/human readable mode to llvm-symbolizer to investigate discriminators and other line table/backtrace features

Patch by Simon Que!

Differential Revision: https://reviews.llvm.org/D29094

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@293697 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed