1 error[E0661]: output operand constraint lacks '=' or '+'
2 --> $DIR/asm-out-no-modifier.rs:22:29
4 LL | asm!("mov $1, $0" : "r"(x) : "r"(5)); //~ ERROR output operand constraint lacks '='
7 error: aborting due to previous error
9 For more information about this error, try `rustc --explain E0661`.