a73b50ad06
This reverts commit 3988bd13988aad72ec979beb2361e8738584926b. Did not build on this bot: https://lab.llvm.org/buildbot#builders/215/builds/6372 /usr/include/c++/9/bits/predefined_ops.h:177:11: error: no match for call to ‘(llvm::less_first) (std::pair<long unsigned int, llvm::bolt::BinaryBasicBlock*>&, const std::pair<long unsigned int, std::nullptr_t>&)’ 177 | { return bool(_M_comp(*__it, __val)); }