Index: llvm-toolchain-9_9.0.0/llvm/utils/TableGen/CodeEmitterGen.cpp
===================================================================
--- llvm-toolchain-9_9.0.0.orig/llvm/utils/TableGen/CodeEmitterGen.cpp
+++ llvm-toolchain-9_9.0.0/llvm/utils/TableGen/CodeEmitterGen.cpp
@@ -247,6 +247,9 @@ void CodeEmitterGen::run(raw_ostream &o)
   ArrayRef<const CodeGenInstruction*> NumberedInstructions =
     Target.getInstructionsByEnumValue();
 
+  o << "// Undef for HURD\n";
+  o << "#ifdef EIEIO\n#undef EIEIO\n#endif\n";
+
   // Emit function declaration
   o << "uint64_t " << Target.getName();
   o << "MCCodeEmitter::getBinaryCodeForInstr(const MCInst &MI,\n"