---

yaml
---
r: 227742
b: refs/heads/try
c: 6f7b4ce
h: refs/heads/master
v: v3

Author: sanxiyn

[refs]

@@ -1,7 +1,7 @@
 ---
 refs/heads/master: aca2057ed5fb7af3f8905b2bc01f72fa001c35c8
 refs/heads/snap-stage3: 1af31d4974e33027a68126fa5a5a3c2c6491824f
-refs/heads/try: 4e2a898afcd890d44a45bd229dee8b9db8d330cc
+refs/heads/try: 6f7b4ce65a286aa2a99d6028ce4b08889907a0c5
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503

branches/try/src/librustc/middle/dead.rs

@@ -172,6 +172,9 @@ impl<'a, 'tcx> MarkSymbolVisitor<'a, 'tcx> {
         };
         let fields = ty::lookup_struct_fields(self.tcx, id);
         for pat in pats {
+            if let ast::PatWild(ast::PatWildSingle) = pat.node.pat.node {
+                continue;
+            }
             let field_id = fields.iter()
                 .find(|field| field.name == pat.node.ident.name).unwrap().id;
             self.live_symbols.insert(field_id.node);

branches/try/src/libstd/lib.rs

@@ -148,6 +148,8 @@
 #![feature(vec_push_all)]
 #![feature(wrapping)]
 #![feature(zero_one)]
+#![cfg_attr(all(unix, not(target_os = "macos"), not(target_os = "ios")),
+            feature(num_bits_bytes))]
 #![cfg_attr(windows, feature(str_utf16))]
 #![cfg_attr(test, feature(float_from_str_radix, range_inclusive, float_extras))]
 #![cfg_attr(test, feature(test, rustc_private, float_consts))]

branches/try/src/libstd/process.rs

@@ -769,6 +769,24 @@ mod tests {
         }
     }
 
+    #[cfg(all(unix, not(target_os="android")))]
+    pub fn pwd_cmd() -> Command {
+        Command::new("pwd")
+    }
+    #[cfg(target_os="android")]
+    pub fn pwd_cmd() -> Command {
+        let mut cmd = Command::new("/system/bin/sh");
+        cmd.arg("-c").arg("pwd");
+        cmd
+    }
+
+    #[cfg(windows)]
+    pub fn pwd_cmd() -> Command {
+        let mut cmd = Command::new("cmd");
+        cmd.arg("/c").arg("cd");
+        cmd
+    }
+
     #[cfg(all(unix, not(target_os="android")))]
     pub fn env_cmd() -> Command {
         Command::new("env")