[llvm-dev] ORC-JIT Missing Typeinfo

[Harry Wagstaff via llvm-dev]

Hi all,

I have a software project which is using the ORC JIT system. While
upgrading from LLVM 6 (first to 7.0.0, and then to SVN), I've encountered
some missing typeinfo link errors, even when linking against all LLVM
libraries:

../dist/lib/libarchsim-core.so: undefined reference to `typeinfo for
llvm::LegacyJITSymbolResolver'
../dist/lib/libarchsim-core.so: undefined reference to `typeinfo for
llvm::orc::SymbolResolver'

Should I not be using these classes? Am I missing a library or dependency?
Have I miscompiled LLVM?

Thanks,
Harry Wagstaff
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