[MCJIT] Fix PR20656 by teaching MCJIT to honor ExecutionEngine's global mapping.

This is important for users of the C API who can't supply custom symbol
resolvers yet.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243589 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed