---

yaml
---
r: 271444
b: refs/heads/auto
c: 4c71347
h: refs/heads/master

Author: mitaa

[refs]

@@ -8,7 +8,7 @@ refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503
 refs/tags/release-0.3.1: 495bae036dfe5ec6ceafd3312b4dca48741e845b
 refs/tags/release-0.4: e828ea2080499553b97dfe33b3f4d472b4562ad7
 refs/tags/release-0.5: 7e3bcfbf21278251ee936ad53e92e9b719702d73
-refs/heads/auto: d7bf3d328457d6b49b1c92d752ef2022c0b0bded
+refs/heads/auto: 4c71347e94a420ea063a17f017ee20d516919091
 refs/tags/release-0.6: b4ebcfa1812664df5e142f0134a5faea3918544c
 refs/tags/0.1: b19db808c2793fe2976759b85a355c3ad8c8b336
 refs/tags/0.2: 1754d02027f2924bed83b0160ee340c7f41d5ea1

branches/auto/configure

@@ -1034,7 +1034,7 @@ then
         if [ -n "$CFG_OSX_CLANG_VERSION" ]
         then
             case $CFG_OSX_CLANG_VERSION in
-                (7.0* | 7.1* | 7.2* | 7.3*)
+                (7.0* | 7.1* | 7.2*)
                 step_msg "found ok version of APPLE CLANG: $CFG_OSX_CLANG_VERSION"
                 ;;
                 (*)

branches/auto/mk/crates.mk

@@ -97,7 +97,7 @@ DEPS_rustc := syntax fmt_macros flate arena serialize getopts rbml rustc_front\
               log graphviz rustc_llvm rustc_back rustc_data_structures\
 		  	  rustc_const_eval
 DEPS_rustc_back := std syntax rustc_llvm rustc_front flate log libc
-DEPS_rustc_borrowck := rustc rustc_front rustc_mir log graphviz syntax
+DEPS_rustc_borrowck := rustc rustc_front log graphviz syntax
 DEPS_rustc_data_structures := std log serialize
 DEPS_rustc_driver := arena flate getopts graphviz libc rustc rustc_back rustc_borrowck \
                      rustc_typeck rustc_mir rustc_resolve log syntax serialize rustc_llvm \

branches/auto/src/bootstrap/build/check.rs

@@ -16,11 +16,3 @@ pub fn linkcheck(build: &Build, stage: u32, host: &str) {
     build.run(build.tool_cmd(&compiler, "linkchecker")
                    .arg(build.out.join(host).join("doc")));
 }
-
-pub fn cargotest(build: &Build, stage: u32, host: &str) {
-    let ref compiler = Compiler::new(stage, host);
-    build.run(build.tool_cmd(compiler, "cargotest")
-              .env("RUSTC", build.compiler_path(compiler))
-              .env("RUSTDOC", build.rustdoc(compiler))
-              .arg(&build.cargo));
-}

branches/auto/src/bootstrap/build/mod.rs

@@ -183,9 +183,6 @@ impl Build {
                     compile::tool(self, stage, target.target,
                                   "error_index_generator");
                 }
-                ToolCargoTest { stage } => {
-                    compile::tool(self, stage, target.target, "cargotest");
-                }
                 DocBook { stage } => {
                     doc::rustbook(self, stage, target.target, "book", &doc_out);
                 }
@@ -213,9 +210,6 @@ impl Build {
                 CheckLinkcheck { stage } => {
                     check::linkcheck(self, stage, target.target);
                 }
-                CheckCargoTest { stage } => {
-                    check::cargotest(self, stage, target.target);
-                }
 
                 DistDocs { stage } => dist::docs(self, stage, target.target),
                 DistMingw { _dummy } => dist::mingw(self, target.target),

branches/auto/src/bootstrap/build/step.rs

@@ -47,7 +47,6 @@ macro_rules! targets {
             (tool_linkchecker, ToolLinkchecker { stage: u32 }),
             (tool_rustbook, ToolRustbook { stage: u32 }),
             (tool_error_index, ToolErrorIndex { stage: u32 }),
-            (tool_cargotest, ToolCargoTest { stage: u32 }),
 
             // Steps for long-running native builds. Ideally these wouldn't
             // actually exist and would be part of build scripts, but for now
@@ -74,7 +73,6 @@ macro_rules! targets {
             // target to depend on a bunch of others.
             (check, Check { stage: u32, compiler: Compiler<'a> }),
             (check_linkcheck, CheckLinkcheck { stage: u32 }),
-            (check_cargotest, CheckCargoTest { stage: u32 }),
 
             // Distribution targets, creating tarballs
             (dist, Dist { stage: u32 }),
@@ -294,9 +292,6 @@ impl<'a> Step<'a> {
             Source::CheckLinkcheck { stage } => {
                 vec![self.tool_linkchecker(stage), self.doc(stage)]
             }
-            Source::CheckCargoTest { stage } => {
-                vec![self.tool_cargotest(stage)]
-            }
 
             Source::ToolLinkchecker { stage } => {
                 vec![self.libstd(self.compiler(stage))]
@@ -305,9 +300,6 @@ impl<'a> Step<'a> {
             Source::ToolRustbook { stage } => {
                 vec![self.librustc(self.compiler(stage))]
             }
-            Source::ToolCargoTest { stage } => {
-                vec![self.libstd(self.compiler(stage))]
-            }
 
             Source::DistDocs { stage } => vec![self.doc(stage)],
             Source::DistMingw { _dummy: _ } => Vec::new(),

branches/auto/src/bootstrap/mk/Makefile.in

@@ -38,8 +38,6 @@ standalone-docs:
 	$(Q)$(BOOTSTRAP) --step doc-standalone
 check:
 	$(Q)$(BOOTSTRAP) --step check
-cargotest:
-	$(Q)$(BOOTSTRAP) --step cargotest
 dist:
 	$(Q)$(BOOTSTRAP) --step dist
 

branches/auto/src/doc/book/lifetimes.md

@@ -282,12 +282,14 @@ to it.
 
 ## Lifetime Elision
 
-Rust supports powerful local type inference in the bodies of functions but not in their item signatures. 
-It's forbidden to allow reasoning about types based on the item signature alone. 
-However, for ergonomic reasons, a very restricted secondary inference algorithm called 
-“lifetime elision” does apply when judging lifetimes. Lifetime elision is concerned solely to infer 
-lifetime parameters using three easily memorizable and unambiguous rules. This means lifetime elision 
-acts as a shorthand for writing an item signature, while not hiding
+Rust supports powerful local type inference in function bodies, but it’s
+forbidden in item signatures to allow reasoning about the types based on
+the item signature alone. However, for ergonomic reasons a very restricted
+secondary inference algorithm called “lifetime elision” applies in function
+signatures. It infers only based on the signature components themselves and not
+based on the body of the function, only infers lifetime parameters, and does
+this with only three easily memorizable and unambiguous rules. This makes
+lifetime elision a shorthand for writing an item signature, while not hiding
 away the actual types involved as full local inference would if applied to it.
 
 When talking about lifetime elision, we use the term *input lifetime* and

branches/auto/src/doc/reference.md

@@ -1905,8 +1905,6 @@ type int8_t = i8;
 - `should_panic` - indicates that this test function should panic, inverting the success condition.
 - `cold` - The function is unlikely to be executed, so optimize it (and calls
   to it) differently.
-- `naked` - The function utilizes a custom ABI or custom inline ASM that requires
-  epilogue and prologue to be skipped.
 
 ### Static-only attributes
 

branches/auto/src/libcollections/string.rs

@@ -61,6 +61,7 @@ use core::iter::FromIterator;
 use core::mem;
 use core::ops::{self, Add, Index, IndexMut};
 use core::ptr;
+use core::slice;
 use core::str::pattern::Pattern;
 use rustc_unicode::char::{decode_utf16, REPLACEMENT_CHARACTER};
 use rustc_unicode::str as unicode_str;
@@ -969,7 +970,22 @@ impl String {
     pub fn push(&mut self, ch: char) {
         match ch.len_utf8() {
             1 => self.vec.push(ch as u8),
-            _ => self.vec.extend_from_slice(ch.encode_utf8().as_slice()),
+            ch_len => {
+                let cur_len = self.len();
+                // This may use up to 4 bytes.
+                self.vec.reserve(ch_len);
+
+                unsafe {
+                    // Attempt to not use an intermediate buffer by just pushing bytes
+                    // directly onto this string.
+                    let slice = slice::from_raw_parts_mut(self.vec
+                                                              .as_mut_ptr()
+                                                              .offset(cur_len as isize),
+                                                          ch_len);
+                    let used = ch.encode_utf8(slice).unwrap_or(0);
+                    self.vec.set_len(cur_len + used);
+                }
+            }
         }
     }
 
@@ -1120,10 +1136,9 @@ impl String {
         let len = self.len();
         assert!(idx <= len);
         assert!(self.is_char_boundary(idx));
-        let bits = ch.encode_utf8();
-        let bits = bits.as_slice();
-        let amt = bits.len();
-        self.vec.reserve(amt);
+        self.vec.reserve(4);
+        let mut bits = [0; 4];
+        let amt = ch.encode_utf8(&mut bits).unwrap();
 
         unsafe {
             ptr::copy(self.vec.as_ptr().offset(idx as isize),