rL367756 (f5c40cb) increases the dependency of LLVMOrcJIT on LLVMPasses. In particular, symbols defined in LLVMPasses that are referenced by the destructor of PassBuilder are now referenced by LLVMOrcJIT through Speculation.cpp.o.
We believe that referencing symbols defined in LLVMPasses in the destructor of PassBuilder is valid, and that adding to the set of such symbols is legitimate. To support such cases, this patch adds LLVMPasses to the set of libraries being linked when linking in LLVMOrcJIT causes such symbols from LLVMPasses to be referenced.