---

yaml
---
r: 208828
b: refs/heads/snap-stage3
c: 0c74a73
h: refs/heads/master
v: v3

Author: Oliver Schneider

[refs]

@@ -1,7 +1,7 @@
 ---
 refs/heads/master: 38a97becdf3e6a6157f6f7ec2d98ade8d8edc193
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
-refs/heads/snap-stage3: 65ead717a7719f0d0b761794500e5e8d3ebbcb65
+refs/heads/snap-stage3: 0c74a73bd588c0a496b20f751a3b36f34210c69d
 refs/heads/try: 7b4ef47b7805a402d756fb8157101f64880a522f
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/dist-snap: ba4081a5a8573875fed17545846f6f6902c8ba8d

branches/snap-stage3/mk/dist.mk

@@ -123,7 +123,7 @@ dist-install-dir-$(1): PREPARE_BIN_CMD=$(DEFAULT_PREPARE_BIN_CMD)
 dist-install-dir-$(1): PREPARE_LIB_CMD=$(DEFAULT_PREPARE_LIB_CMD)
 dist-install-dir-$(1): PREPARE_MAN_CMD=$(DEFAULT_PREPARE_MAN_CMD)
 dist-install-dir-$(1): PREPARE_CLEAN=true
-dist-install-dir-$(1): prepare-base-dir-$(1) docs compiler-docs
+dist-install-dir-$(1): prepare-base-dir-$(1) docs
 	$$(Q)mkdir -p $$(PREPARE_DEST_DIR)/share/doc/rust
 	$$(Q)$$(PREPARE_MAN_CMD) $$(S)COPYRIGHT $$(PREPARE_DEST_DIR)/share/doc/rust
 	$$(Q)$$(PREPARE_MAN_CMD) $$(S)LICENSE-APACHE $$(PREPARE_DEST_DIR)/share/doc/rust
@@ -163,7 +163,7 @@ endif
 		--legacy-manifest-dirs=rustlib,cargo
 	$$(Q)rm -R tmp/dist/$$(PKG_NAME)-$(1)-image
 
-dist-doc-install-dir-$(1): docs compiler-docs
+dist-doc-install-dir-$(1): docs
 	$$(Q)mkdir -p tmp/dist/$$(DOC_PKG_NAME)-$(1)-image/share/doc/rust
 	$$(Q)cp -r doc tmp/dist/$$(DOC_PKG_NAME)-$(1)-image/share/doc/rust/html
 
@@ -251,7 +251,7 @@ distcheck-tar-bins: dist-tar-bins
 
 # Just copy the docs to a folder under dist with the appropriate name
 # for uploading to S3
-dist-docs: docs compiler-docs
+dist-docs: docs
 	$(Q) rm -Rf dist/doc
 	$(Q) mkdir -p dist/doc/
 	$(Q) cp -r doc dist/doc/$(CFG_PACKAGE_VERS)

branches/snap-stage3/mk/docs.mk

@@ -77,7 +77,8 @@ ERR_IDX_GEN = $(RPATH_VAR2_T_$(CFG_BUILD)_H_$(CFG_BUILD)) $(ERR_IDX_GEN_EXE)
 
 D := $(S)src/doc
 
-DOC_TARGETS := trpl style error-index
+# FIXME (#25705) eventually may want to put error-index target back here.
+DOC_TARGETS := trpl style
 COMPILER_DOC_TARGETS :=
 DOC_L10N_TARGETS :=
 

branches/snap-stage3/src/doc/reference.md

@@ -3622,6 +3622,14 @@ The `Sized` trait indicates that the size of this type is known at compile-time.
 The `Drop` trait provides a destructor, to be run whenever a value of this type
 is to be destroyed.
 
+## The `Deref` trait
+
+The `Deref<Target = U>` trait allows a type to implicitly implement all the methods
+of the type `U`. When attempting to resolve a method call, the compiler will search
+the top-level type for the implementation of the called method. If no such method is
+found, `.deref()` is called and the compiler continues to search for the method
+implementation in the returned type `U`.
+
 # Memory model
 
 A Rust program's memory consists of a static set of *items* and a *heap*.

branches/snap-stage3/src/doc/trpl/README.md

@@ -150,8 +150,8 @@ of those times. As the error explains, while we made our binding mutable, we
 still cannot call `push`. This is because we already have a reference to an
 element of the vector, `y`. Mutating something while another reference exists
 is dangerous, because we may invalidate the reference. In this specific case,
-when we create the vector, we may have only allocated space for three elements.
-Adding a fourth would mean allocating a new chunk of memory for all those elements,
+when we create the vector, we may have only allocated space for two elements.
+Adding a third would mean allocating a new chunk of memory for all those elements,
 copying the old values over, and updating the internal pointer to that memory.
 That all works just fine. The problem is that `y` wouldn’t get updated, and so
 we’d have a ‘dangling pointer’. That’s bad. Any use of `y` would be an error in

branches/snap-stage3/src/doc/trpl/guessing-game.md

@@ -148,7 +148,7 @@ a few tricks up their sleeves.
 For example, they’re [immutable][immutable] by default. That’s why our example
 uses `mut`: it makes a binding mutable, rather than immutable. `let` doesn’t
 take a name on the left hand side, it actually accepts a
-‘[pattern][patterns]’. We’ll use patterns more later. It’s easy enough
+‘[pattern][patterns]’. We’ll use patterns later. It’s easy enough
 to use for now:
 
 ```rust

branches/snap-stage3/src/doc/trpl/the-stack-and-the-heap.md

@@ -277,9 +277,9 @@ allocated on the heap:
 | 0       | x    | ?????? |
 
 [drop]: drop.html
-[moving]: We can make the memory live longer by transferring ownership,
-          sometimes called ‘moving out of the box’. More complex examples will
-          be covered later.
+[^moving]: We can make the memory live longer by transferring ownership,
+           sometimes called ‘moving out of the box’. More complex examples will
+           be covered later.
 
 
 And then the stack frame goes away, freeing all of our memory.

branches/snap-stage3/src/libcollections/lib.rs

@@ -39,7 +39,6 @@
 #![feature(str_char)]
 #![feature(str_words)]
 #![feature(slice_patterns)]
-#![feature(debug_builders)]
 #![feature(utf8_error)]
 #![cfg_attr(test, feature(rand, rustc_private, test, hash, collections,
                           collections_drain, collections_range))]

branches/snap-stage3/src/libcore/fmt/builders.rs

@@ -54,6 +54,7 @@ impl<'a, 'b: 'a> fmt::Write for PadAdapter<'a, 'b> {
 ///
 /// Constructed by the `Formatter::debug_struct` method.
 #[must_use]
+#[stable(feature = "debug_builders", since = "1.2.0")]
 pub struct DebugStruct<'a, 'b: 'a> {
     fmt: &'a mut fmt::Formatter<'b>,
     result: fmt::Result,
@@ -72,7 +73,7 @@ pub fn debug_struct_new<'a, 'b>(fmt: &'a mut fmt::Formatter<'b>, name: &str)
 
 impl<'a, 'b: 'a> DebugStruct<'a, 'b> {
     /// Adds a new field to the generated struct output.
-    #[unstable(feature = "debug_builders", reason = "method was just created")]
+    #[stable(feature = "debug_builders", since = "1.2.0")]
     pub fn field(&mut self, name: &str, value: &fmt::Debug) -> &mut DebugStruct<'a, 'b> {
         self.result = self.result.and_then(|_| {
             let prefix = if self.has_fields {
@@ -94,7 +95,7 @@ impl<'a, 'b: 'a> DebugStruct<'a, 'b> {
     }
 
     /// Finishes output and returns any error encountered.
-    #[unstable(feature = "debug_builders", reason = "method was just created")]
+    #[stable(feature = "debug_builders", since = "1.2.0")]
     pub fn finish(&mut self) -> fmt::Result {
         if self.has_fields {
             self.result = self.result.and_then(|_| {
@@ -117,6 +118,7 @@ impl<'a, 'b: 'a> DebugStruct<'a, 'b> {
 ///
 /// Constructed by the `Formatter::debug_tuple` method.
 #[must_use]
+#[stable(feature = "debug_builders", since = "1.2.0")]
 pub struct DebugTuple<'a, 'b: 'a> {
     fmt: &'a mut fmt::Formatter<'b>,
     result: fmt::Result,
@@ -134,7 +136,7 @@ pub fn debug_tuple_new<'a, 'b>(fmt: &'a mut fmt::Formatter<'b>, name: &str) -> D
 
 impl<'a, 'b: 'a> DebugTuple<'a, 'b> {
     /// Adds a new field to the generated tuple struct output.
-    #[unstable(feature = "debug_builders", reason = "method was just created")]
+    #[stable(feature = "debug_builders", since = "1.2.0")]
     pub fn field(&mut self, value: &fmt::Debug) -> &mut DebugTuple<'a, 'b> {
         self.result = self.result.and_then(|_| {
             let (prefix, space) = if self.has_fields {
@@ -156,7 +158,7 @@ impl<'a, 'b: 'a> DebugTuple<'a, 'b> {
     }
 
     /// Finishes output and returns any error encountered.
-    #[unstable(feature = "debug_builders", reason = "method was just created")]
+    #[stable(feature = "debug_builders", since = "1.2.0")]
     pub fn finish(&mut self) -> fmt::Result {
         if self.has_fields {
             self.result = self.result.and_then(|_| {
@@ -211,6 +213,7 @@ impl<'a, 'b: 'a> DebugInner<'a, 'b> {
 ///
 /// Constructed by the `Formatter::debug_set` method.
 #[must_use]
+#[stable(feature = "debug_builders", since = "1.2.0")]
 pub struct DebugSet<'a, 'b: 'a> {
     inner: DebugInner<'a, 'b>,
 }
@@ -228,14 +231,14 @@ pub fn debug_set_new<'a, 'b>(fmt: &'a mut fmt::Formatter<'b>) -> DebugSet<'a, 'b
 
 impl<'a, 'b: 'a> DebugSet<'a, 'b> {
     /// Adds a new entry to the set output.
-    #[unstable(feature = "debug_builders", reason = "method was just created")]
+    #[stable(feature = "debug_builders", since = "1.2.0")]
     pub fn entry(&mut self, entry: &fmt::Debug) -> &mut DebugSet<'a, 'b> {
         self.inner.entry(entry);
         self
     }
 
     /// Adds the contents of an iterator of entries to the set output.
-    #[unstable(feature = "debug_builders", reason = "method was just created")]
+    #[stable(feature = "debug_builders", since = "1.2.0")]
     pub fn entries<D, I>(&mut self, entries: I) -> &mut DebugSet<'a, 'b>
             where D: fmt::Debug, I: IntoIterator<Item=D> {
         for entry in entries {
@@ -245,7 +248,7 @@ impl<'a, 'b: 'a> DebugSet<'a, 'b> {
     }
 
     /// Finishes output and returns any error encountered.
-    #[unstable(feature = "debug_builders", reason = "method was just created")]
+    #[stable(feature = "debug_builders", since = "1.2.0")]
     pub fn finish(&mut self) -> fmt::Result {
         self.inner.finish();
         self.inner.result.and_then(|_| self.inner.fmt.write_str("}"))
@@ -256,6 +259,7 @@ impl<'a, 'b: 'a> DebugSet<'a, 'b> {
 ///
 /// Constructed by the `Formatter::debug_list` method.
 #[must_use]
+#[stable(feature = "debug_builders", since = "1.2.0")]
 pub struct DebugList<'a, 'b: 'a> {
     inner: DebugInner<'a, 'b>,
 }
@@ -273,14 +277,14 @@ pub fn debug_list_new<'a, 'b>(fmt: &'a mut fmt::Formatter<'b>) -> DebugList<'a,
 
 impl<'a, 'b: 'a> DebugList<'a, 'b> {
     /// Adds a new entry to the list output.
-    #[unstable(feature = "debug_builders", reason = "method was just created")]
+    #[stable(feature = "debug_builders", since = "1.2.0")]
     pub fn entry(&mut self, entry: &fmt::Debug) -> &mut DebugList<'a, 'b> {
         self.inner.entry(entry);
         self
     }
 
     /// Adds the contents of an iterator of entries to the list output.
-    #[unstable(feature = "debug_builders", reason = "method was just created")]
+    #[stable(feature = "debug_builders", since = "1.2.0")]
     pub fn entries<D, I>(&mut self, entries: I) -> &mut DebugList<'a, 'b>
             where D: fmt::Debug, I: IntoIterator<Item=D> {
         for entry in entries {
@@ -290,7 +294,7 @@ impl<'a, 'b: 'a> DebugList<'a, 'b> {
     }
 
     /// Finishes output and returns any error encountered.
-    #[unstable(feature = "debug_builders", reason = "method was just created")]
+    #[stable(feature = "debug_builders", since = "1.2.0")]
     pub fn finish(&mut self) -> fmt::Result {
         self.inner.finish();
         self.inner.result.and_then(|_| self.inner.fmt.write_str("]"))
@@ -301,6 +305,7 @@ impl<'a, 'b: 'a> DebugList<'a, 'b> {
 ///
 /// Constructed by the `Formatter::debug_map` method.
 #[must_use]
+#[stable(feature = "debug_builders", since = "1.2.0")]
 pub struct DebugMap<'a, 'b: 'a> {
     fmt: &'a mut fmt::Formatter<'b>,
     result: fmt::Result,
@@ -318,7 +323,7 @@ pub fn debug_map_new<'a, 'b>(fmt: &'a mut fmt::Formatter<'b>) -> DebugMap<'a, 'b
 
 impl<'a, 'b: 'a> DebugMap<'a, 'b> {
     /// Adds a new entry to the map output.
-    #[unstable(feature = "debug_builders", reason = "method was just created")]
+    #[stable(feature = "debug_builders", since = "1.2.0")]
     pub fn entry(&mut self, key: &fmt::Debug, value: &fmt::Debug) -> &mut DebugMap<'a, 'b> {
         self.result = self.result.and_then(|_| {
             if self.is_pretty() {
@@ -336,7 +341,7 @@ impl<'a, 'b: 'a> DebugMap<'a, 'b> {
     }
 
     /// Adds the contents of an iterator of entries to the map output.
-    #[unstable(feature = "debug_builders", reason = "method was just created")]
+    #[stable(feature = "debug_builders", since = "1.2.0")]
     pub fn entries<K, V, I>(&mut self, entries: I) -> &mut DebugMap<'a, 'b>
             where K: fmt::Debug, V: fmt::Debug, I: IntoIterator<Item=(K, V)> {
         for (k, v) in entries {
@@ -346,7 +351,7 @@ impl<'a, 'b: 'a> DebugMap<'a, 'b> {
     }
 
     /// Finishes output and returns any error encountered.
-    #[unstable(feature = "debug_builders", reason = "method was just created")]
+    #[stable(feature = "debug_builders", since = "1.2.0")]
     pub fn finish(&mut self) -> fmt::Result {
         let prefix = if self.is_pretty() && self.has_fields { "\n" } else { "" };
         self.result.and_then(|_| write!(self.fmt, "{}}}", prefix))

branches/snap-stage3/src/libcore/fmt/mod.rs

@@ -719,7 +719,6 @@ impl<'a> Formatter<'a> {
     /// # Examples
     ///
     /// ```rust
-    /// # #![feature(debug_builders, core)]
     /// use std::fmt;
     ///
     /// struct Foo {
@@ -739,7 +738,7 @@ impl<'a> Formatter<'a> {
     /// // prints "Foo { bar: 10, baz: "Hello World" }"
     /// println!("{:?}", Foo { bar: 10, baz: "Hello World".to_string() });
     /// ```
-    #[unstable(feature = "debug_builders", reason = "method was just created")]
+    #[stable(feature = "debug_builders", since = "1.2.0")]
     #[inline]
     pub fn debug_struct<'b>(&'b mut self, name: &str) -> DebugStruct<'b, 'a> {
         builders::debug_struct_new(self, name)
@@ -751,7 +750,6 @@ impl<'a> Formatter<'a> {
     /// # Examples
     ///
     /// ```rust
-    /// # #![feature(debug_builders, core)]
     /// use std::fmt;
     ///
     /// struct Foo(i32, String);
@@ -768,7 +766,7 @@ impl<'a> Formatter<'a> {
     /// // prints "Foo(10, "Hello World")"
     /// println!("{:?}", Foo(10, "Hello World".to_string()));
     /// ```
-    #[unstable(feature = "debug_builders", reason = "method was just created")]
+    #[stable(feature = "debug_builders", since = "1.2.0")]
     #[inline]
     pub fn debug_tuple<'b>(&'b mut self, name: &str) -> DebugTuple<'b, 'a> {
         builders::debug_tuple_new(self, name)
@@ -780,7 +778,6 @@ impl<'a> Formatter<'a> {
     /// # Examples
     ///
     /// ```rust
-    /// # #![feature(debug_builders, core)]
     /// use std::fmt;
     ///
     /// struct Foo(Vec<i32>);
@@ -794,7 +791,7 @@ impl<'a> Formatter<'a> {
     /// // prints "[10, 11]"
     /// println!("{:?}", Foo(vec![10, 11]));
     /// ```
-    #[unstable(feature = "debug_builders", reason = "method was just created")]
+    #[stable(feature = "debug_builders", since = "1.2.0")]
     #[inline]
     pub fn debug_list<'b>(&'b mut self) -> DebugList<'b, 'a> {
         builders::debug_list_new(self)
@@ -806,7 +803,6 @@ impl<'a> Formatter<'a> {
     /// # Examples
     ///
     /// ```rust
-    /// # #![feature(debug_builders, core)]
     /// use std::fmt;
     ///
     /// struct Foo(Vec<i32>);
@@ -820,7 +816,7 @@ impl<'a> Formatter<'a> {
     /// // prints "{10, 11}"
     /// println!("{:?}", Foo(vec![10, 11]));
     /// ```
-    #[unstable(feature = "debug_builders", reason = "method was just created")]
+    #[stable(feature = "debug_builders", since = "1.2.0")]
     #[inline]
     pub fn debug_set<'b>(&'b mut self) -> DebugSet<'b, 'a> {
         builders::debug_set_new(self)
@@ -832,7 +828,6 @@ impl<'a> Formatter<'a> {
     /// # Examples
     ///
     /// ```rust
-    /// # #![feature(debug_builders, core)]
     /// use std::fmt;
     ///
     /// struct Foo(Vec<(String, i32)>);
@@ -846,7 +841,7 @@ impl<'a> Formatter<'a> {
     /// // prints "{"A": 10, "B": 11}"
     /// println!("{:?}", Foo(vec![("A".to_string(), 10), ("B".to_string(), 11)]));
     /// ```
-    #[unstable(feature = "debug_builders", reason = "method was just created")]
+    #[stable(feature = "debug_builders", since = "1.2.0")]
     #[inline]
     pub fn debug_map<'b>(&'b mut self) -> DebugMap<'b, 'a> {
         builders::debug_map_new(self)

branches/snap-stage3/src/libcoretest/lib.rs

@@ -20,7 +20,6 @@
 #![feature(std_misc)]
 #![feature(libc)]
 #![feature(hash)]
-#![feature(debug_builders)]
 #![feature(unique)]
 #![feature(step_by)]
 #![feature(slice_patterns)]

branches/snap-stage3/src/librustc_trans/trans/callee.rs

@@ -846,7 +846,7 @@ pub fn trans_call_inner<'a, 'blk, 'tcx, F>(bcx: Block<'blk, 'tcx>,
 
         let mut llargs = Vec::new();
         let arg_tys = match args {
-            ArgExprs(a) => a.iter().map(|x| common::expr_ty(bcx, &**x)).collect(),
+            ArgExprs(a) => a.iter().map(|x| common::expr_ty_adjusted(bcx, &**x)).collect(),
             _ => panic!("expected arg exprs.")
         };
         bcx = trans_args(bcx,