// Test that the compiler will catch invalid inline assembly constraints. // ignore-emscripten #![feature(asm)] extern "C" { fn foo(a: usize); } fn main() { bad_register_constraint(); bad_input(); wrong_size_output(); } // Issue #54130 fn bad_register_constraint() { let rax: u64; unsafe { asm!("" :"={rax"(rax)) //~ ERROR E0668 }; println!("Accumulator is: {}", rax); } // Issue #54376 fn bad_input() { unsafe { asm!("callq $0" : : "0"(foo)) //~ ERROR E0668 }; } fn wrong_size_output() { let rax: u64 = 0; unsafe { asm!("addb $1, $0" : "={rax}"((0i32, rax))); //~ ERROR E0668 } println!("rax: {}", rax); }