message: feat(runtime) Implement `LibCall.to_function_name()`.
  This method returns the function name associateed to the libcall.
diff: @@ -453,6 +453,22 @@ impl LibCall {
  Self::TruncF64 => wasmer_f64_trunc as usize,
  }
  }
  +
  + /// Return the function name associated to the libcall.
  + pub fn to_function_name(&self) -> &str {
  + match self {
  + Self::CeilF32 => "wasmer_f32_ceil",
  + Self::CeilF64 => "wasmer_f64_ceil",
  + Self::FloorF32 => "wasmer_f32_floor",
  + Self::FloorF64 => "wasmer_f64_floor",
  + Self::NearestF32 => "wasmer_f32_nearest",
  + Self::NearestF64 => "wasmer_f64_nearest",
  + Self::Probestack => "PROBESTACK",
  + Self::RaiseTrap => "wasmer_raise_trap",
  + Self::TruncF32 => "wasmer_f32_trunc",
  + Self::TruncF64 => "wasmer_f64_trunc",
  + }
  + }
  }
  impl fmt::Display for LibCall {
  