fn isOpcodeValidInCFA(opcode: u8) bool
fn isOpcodeValidInCFA(opcode: u8) bool { return switch (opcode) { OP.addrx, OP.call2, OP.call4, OP.call_ref, OP.const_type, OP.constx, OP.convert, OP.deref_type, OP.regval_type, OP.reinterpret, OP.push_object_address, OP.call_frame_cfa, => false, else => true, }; }