[libFuzzer] use the in-binary pc table (instead of PCs captured at run-time) to implement -exit_on_src_pos

git-svn-id: svn://svn.chromium.org/llvm-project/llvm/trunk/lib/Fuzzer@310151 0b72dbe1-c17f-4bc7-b9db-2b4152be0356
5 files changed