Fix a few run-pass tests for PNaCl.

Author: DiamondLovesYou

src/test/run-pass/backtrace.rs

@@ -10,6 +10,10 @@
 
 // no-pretty-expanded FIXME #15189
 // ignore-win32 FIXME #13259
+
+// backtraces aren't supported for nexe's, yet.
+// ignore-nacl
+
 extern crate native;
 
 use std::os;

src/test/run-pass/bitwise.rs

@@ -11,11 +11,13 @@
 
 #[cfg(target_arch = "x86")]
 #[cfg(target_arch = "arm")]
+#[cfg(target_arch = "le32")]
+#[cfg(target_arch = "x86_64", target_os = "nacl")]
 fn target() {
     assert_eq!(-1000 as uint >> 3u, 536870787u);
 }
 
-#[cfg(target_arch = "x86_64")]
+#[cfg(target_arch = "x86_64", not(target_os = "nacl"))]
 fn target() {
     assert_eq!(-1000 as uint >> 3u, 2305843009213693827u);
 }

src/test/run-pass/conditional-compile-arch.rs

@@ -16,3 +16,6 @@ pub fn main() { }
 
 #[cfg(target_arch = "arm")]
 pub fn main() { }
+
+#[cfg(target_arch = "le32")]
+pub fn main() { }

src/test/run-pass/core-run-destroy.rs

@@ -15,6 +15,8 @@
 // memory, which makes for some *confusing* logs. That's why these are here
 // instead of in std.
 
+// ignore-nacl no libgreen
+
 #![feature(macro_rules)]
 extern crate libc;
 

src/test/run-pass/x86stdcall.rs

@@ -35,4 +35,5 @@ pub fn main() {
 #[cfg(target_os = "freebsd")]
 #[cfg(target_os = "dragonfly")]
 #[cfg(target_os = "android")]
+#[cfg(target_os = "nacl")]
 pub fn main() { }