error: invalid signature for `extern "riscv-interrupt-m"` function
  --> $DIR/interrupt-invalid-signature.rs:48:43
   |
LL | extern "riscv-interrupt-m" fn riscv_m_arg(_byte: u8) {}
   |                                           ^^^^^^^^^
   |
   = note: functions with the "riscv-interrupt-m" ABI cannot have any parameters or return type
help: remove the parameters and return type
   |
LL - extern "riscv-interrupt-m" fn riscv_m_arg(_byte: u8) {}
LL + extern "riscv-interrupt-m" fn riscv_m_arg() {}
   |

error: invalid signature for `extern "riscv-interrupt-s"` function
  --> $DIR/interrupt-invalid-signature.rs:52:43
   |
LL | extern "riscv-interrupt-s" fn riscv_s_arg(_byte: u8) {}
   |                                           ^^^^^^^^^
   |
   = note: functions with the "riscv-interrupt-s" ABI cannot have any parameters or return type
help: remove the parameters and return type
   |
LL - extern "riscv-interrupt-s" fn riscv_s_arg(_byte: u8) {}
LL + extern "riscv-interrupt-s" fn riscv_s_arg() {}
   |

error: invalid signature for `extern "riscv-interrupt-m"` function
  --> $DIR/interrupt-invalid-signature.rs:71:48
   |
LL | extern "riscv-interrupt-m" fn riscv_m_ret() -> u8 {
   |                                                ^^
   |
   = note: functions with the "riscv-interrupt-m" ABI cannot have any parameters or return type
help: remove the parameters and return type
   |
LL - extern "riscv-interrupt-m" fn riscv_m_ret() -> u8 {
LL + extern "riscv-interrupt-m" fn riscv_m_ret() {
   |

error: invalid signature for `extern "riscv-interrupt-s"` function
  --> $DIR/interrupt-invalid-signature.rs:77:48
   |
LL | extern "riscv-interrupt-s" fn riscv_s_ret() -> u8 {
   |                                                ^^
   |
   = note: functions with the "riscv-interrupt-s" ABI cannot have any parameters or return type
help: remove the parameters and return type
   |
LL - extern "riscv-interrupt-s" fn riscv_s_ret() -> u8 {
LL + extern "riscv-interrupt-s" fn riscv_s_ret() {
   |

error: aborting due to 4 previous errors