std::move is required here, unfortunately (nw)

src/devices/cpu/sparc/mb86901.cpp

@@ -527,7 +527,7 @@ std::unique_ptr<util::disasm_interface> mb86901_device::create_disassembler()
 {
 	auto dasm = std::make_unique<sparc_disassembler>(static_cast<sparc_disassembler::config const *>(this), 7);
 	m_asi_desc_adder(dasm.get());
-	return dasm;
+	return std::move(dasm);
 }