Add netbsd amd64 support

src/test/parse-fail/issue-5806.rs

@@ -11,6 +11,7 @@
 // ignore-windows
 // ignore-freebsd
 // ignore-openbsd
+// ignore-netbsd
 // ignore-bitrig
 
 // compile-flags: -Z parse-only

src/test/run-pass/intrinsic-alignment.rs

@@ -22,6 +22,7 @@ mod rusti {
           target_os = "macos",
           target_os = "freebsd",
           target_os = "dragonfly",
+          target_os = "netbsd",
           target_os = "openbsd"))]
 mod m {
     #[main]

src/test/run-pass/rec-align-u64.rs

@@ -40,6 +40,7 @@ struct Outer {
           target_os = "macos",
           target_os = "freebsd",
           target_os = "dragonfly",
+          target_os = "netbsd",
           target_os = "openbsd"))]
 mod m {
     #[cfg(target_arch = "x86")]

src/test/run-pass/tcp-stress.rs

@@ -9,8 +9,9 @@
 // except according to those terms.
 
 // ignore-android needs extra network permissions
-// ignore-openbsd system ulimit (Too many open files)
 // ignore-bitrig system ulimit (Too many open files)
+// ignore-netbsd system ulimit (Too many open files)
+// ignore-openbsd system ulimit (Too many open files)
 
 use std::io::prelude::*;
 use std::net::{TcpListener, TcpStream};

src/test/run-pass/x86stdcall.rs

@@ -35,6 +35,7 @@ pub fn main() {
           target_os = "freebsd",
           target_os = "dragonfly",
           target_os = "bitrig",
+          target_os = "netbsd",
           target_os = "openbsd",
           target_os = "android"))]
 pub fn main() { }