diff --git a/src/libcore/hash/mod.rs b/src/libcore/hash/mod.rs
index 1086ae84ded..2e83334b937 100644
--- a/src/libcore/hash/mod.rs
+++ b/src/libcore/hash/mod.rs
@@ -158,7 +158,7 @@ fn write_u64(&mut self, i: u64) {
     #[inline]
     #[unstable(feature = "hash", reason = "module was recently redesigned")]
     fn write_usize(&mut self, i: usize) {
-        if cfg!(target_pointer_size = "32") {
+        if cfg!(target_pointer_width = "32") {
             self.write_u32(i as u32)
         } else {
             self.write_u64(i as u64)
@@ -241,7 +241,7 @@ impl<S: Writer + Hasher> Hash<S> for $ty {
                 #[inline]
                 fn hash(&self, state: &mut S) {
                     let a: [u8; ::$ty::BYTES] = unsafe {
-                        mem::transmute((*self as $uty).to_le() as $ty)
+                        mem::transmute(*self)
                     };
                     state.write(&a)
                 }
diff --git a/src/libstd/old_io/process.rs b/src/libstd/old_io/process.rs
index c761bf705a8..c803cfbcb7d 100644
--- a/src/libstd/old_io/process.rs
+++ b/src/libstd/old_io/process.rs
@@ -104,7 +104,7 @@ pub struct Process {
 #[derive(Eq, Clone, Debug)]
 struct EnvKey(CString);
 
-#[cfg(windows)]
+#[cfg(all(windows, stage0))]
 impl<H: hash::Writer + hash::Hasher> hash::Hash<H> for EnvKey {
     fn hash(&self, state: &mut H) {
         let &EnvKey(ref x) = self;
@@ -116,6 +116,18 @@ fn hash(&self, state: &mut H) {
         }
     }
 }
+#[cfg(all(windows, not(stage0)))]
+impl hash::Hash for EnvKey {
+    fn hash<H: hash::Hasher>(&self, state: &mut H) {
+        let &EnvKey(ref x) = self;
+        match str::from_utf8(x.as_bytes()) {
+            Ok(s) => for ch in s.chars() {
+                (ch as u8 as char).to_lowercase().hash(state);
+            },
+            Err(..) => x.hash(state)
+        }
+    }
+}
 
 #[cfg(windows)]
 impl PartialEq for EnvKey {
diff --git a/src/libstd/os.rs b/src/libstd/os.rs
index a4213e7373b..f181fc5df57 100644
--- a/src/libstd/os.rs
+++ b/src/libstd/os.rs
@@ -561,10 +561,11 @@ pub fn get_exit_status() -> int {
 #[cfg(target_os = "macos")]
 unsafe fn load_argc_and_argv(argc: int,
                              argv: *const *const c_char) -> Vec<Vec<u8>> {
+    use ffi::CStr;
     use iter::range;
 
-    (0..argc as uint).map(|i| {
-        ffi::c_str_to_bytes(&*argv.offset(i as int)).to_vec()
+    (0..argc).map(|i| {
+        CStr::from_ptr(*argv.offset(i)).to_bytes().to_vec()
     }).collect()
 }
 
diff --git a/src/libstd/sys/unix/os.rs b/src/libstd/sys/unix/os.rs
index 66856a2f2c2..3d1ef3a2c37 100644
--- a/src/libstd/sys/unix/os.rs
+++ b/src/libstd/sys/unix/os.rs
@@ -266,7 +266,7 @@ pub fn args() -> Args {
         let (argc, argv) = (*_NSGetArgc() as isize,
                             *_NSGetArgv() as *const *const c_char);
         range(0, argc as isize).map(|i| {
-            let bytes = CStr::from_ptr(&*argv.offset(i)).to_bytes().to_vec();
+            let bytes = CStr::from_ptr(*argv.offset(i)).to_bytes().to_vec();
             OsStringExt::from_vec(bytes)
         }).collect::<Vec<_>>()
     };
diff --git a/src/libstd/sys/windows/backtrace.rs b/src/libstd/sys/windows/backtrace.rs
index 92e309da34b..51cf3032423 100644
--- a/src/libstd/sys/windows/backtrace.rs
+++ b/src/libstd/sys/windows/backtrace.rs
@@ -25,7 +25,7 @@
 #![allow(dead_code)]
 
 use dynamic_lib::DynamicLibrary;
-use ffi;
+use ffi::CStr;
 use intrinsics;
 use old_io::{IoResult, Writer};
 use libc;
@@ -362,7 +362,7 @@ macro_rules! sym{ ($e:expr, $t:ident) => (unsafe {
         if ret == libc::TRUE {
             try!(write!(w, " - "));
             let ptr = info.Name.as_ptr() as *const libc::c_char;
-            let bytes = unsafe { ffi::c_str_to_bytes(&ptr) };
+            let bytes = unsafe { CStr::from_ptr(ptr).to_bytes() };
             match str::from_utf8(bytes) {
                 Ok(s) => try!(demangle(w, s)),
                 Err(..) => try!(w.write_all(&bytes[..bytes.len()-1])),
diff --git a/src/libstd/sys/windows/process.rs b/src/libstd/sys/windows/process.rs
index e001cd9a1ec..60d24e6174f 100644
--- a/src/libstd/sys/windows/process.rs
+++ b/src/libstd/sys/windows/process.rs
@@ -589,6 +589,7 @@ fn backslash_run_ends_in_quote(s: &[char], mut i: uint) -> bool {
     }
 }
 
+#[cfg(stage0)]
 fn with_envp<K, V, T, F>(env: Option<&collections::HashMap<K, V>>, cb: F) -> T
     where K: BytesContainer + Eq + Hash<Hasher>,
           V: BytesContainer,
@@ -616,6 +617,34 @@ fn with_envp<K, V, T, F>(env: Option<&collections::HashMap<K, V>>, cb: F) -> T
         _ => cb(ptr::null_mut())
     }
 }
+#[cfg(not(stage0))]
+fn with_envp<K, V, T, F>(env: Option<&collections::HashMap<K, V>>, cb: F) -> T
+    where K: BytesContainer + Eq + Hash,
+          V: BytesContainer,
+          F: FnOnce(*mut c_void) -> T,
+{
+    // On Windows we pass an "environment block" which is not a char**, but
+    // rather a concatenation of null-terminated k=v\0 sequences, with a final
+    // \0 to terminate.
+    match env {
+        Some(env) => {
+            let mut blk = Vec::new();
+
+            for pair in env {
+                let kv = format!("{}={}",
+                                 pair.0.container_as_str().unwrap(),
+                                 pair.1.container_as_str().unwrap());
+                blk.extend(kv.utf16_units());
+                blk.push(0);
+            }
+
+            blk.push(0);
+
+            cb(blk.as_mut_ptr() as *mut c_void)
+        }
+        _ => cb(ptr::null_mut())
+    }
+}
 
 fn with_dirp<T, F>(d: Option<&CString>, cb: F) -> T where
     F: FnOnce(*const u16) -> T,
diff --git a/src/test/compile-fail/regions-assoc-type-outlives-container-hrtb.rs b/src/test/compile-fail/regions-assoc-type-outlives-container-hrtb.rs
index dd89e0e038b..9736910d7b5 100644
--- a/src/test/compile-fail/regions-assoc-type-outlives-container-hrtb.rs
+++ b/src/test/compile-fail/regions-assoc-type-outlives-container-hrtb.rs
@@ -18,7 +18,7 @@
 
 ///////////////////////////////////////////////////////////////////////////
 
-pub trait TheTrait<'b> : PhantomFn<Self,Self> {
+pub trait TheTrait<'b> : PhantomFn<&'b Self,Self> {
     type TheAssocType;
 }
 
diff --git a/src/test/run-make/save-analysis/foo.rs b/src/test/run-make/save-analysis/foo.rs
index b6366ad6737..38381da3670 100644
--- a/src/test/run-make/save-analysis/foo.rs
+++ b/src/test/run-make/save-analysis/foo.rs
@@ -34,7 +34,7 @@
 static uni: &'static str = "Les Miséééééééérables";
 static yy: usize = 25;
 
-static bob: Option<std::borrow::Cow<'static, [isize]>> = None;
+static bob: Option<&'static [isize]> = None;
 
 // buglink test - see issue #1337.