Segmentation faults when mixing versions of LLVM

[tschuett]

There was a similar issue, but with several LLVM libraries with the same version:

[RFC] CommandLine: Allow loading >1 library linking to the same libLLVM version

Background Investigating an issue, that I was having for years, I’ve come across the problem, that CommandLine does not allow loading more than one library linking to the same libLLVM version. Instead it aborts. The comment above the abort seems to indicate, that this is unrecoverable. llvm/lib/Support/CommandLine.cpp // Fail hard if there were errors. These are strictly unrecoverable and // indicate serious issues such as conflicting option names or an // incorrectly // lin…