---

yaml
---
r: 179576
b: refs/heads/master
c: de8bc44
h: refs/heads/master
v: v3

Author: bors

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: f9c577e5141dda6413efcfd036389d7d2480e528
+refs/heads/master: de8bc44753881aacdaf435f5ba61de3c20916761
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 0ba9e1fa52627404a1e5b90f745f96a872a0c564
 refs/heads/try: ccf8fedf1cffcb8f6f3581d53d220039e192fe77

trunk/configure

@@ -653,9 +653,7 @@ probe CFG_GRUN             grun
 probe CFG_FLEX             flex
 probe CFG_BISON            bison
 probe CFG_PANDOC           pandoc
-probe CFG_PDFLATEX         pdflatex
 probe CFG_XELATEX          xelatex
-probe CFG_LUALATEX         lualatex
 probe CFG_GDB              gdb
 probe CFG_LLDB             lldb
 

trunk/mk/docs.mk

@@ -85,27 +85,16 @@ else
 HTML_DEPS :=
 endif
 
-# Check for the various external utilities for the EPUB/PDF docs:
-
-ifeq ($(CFG_LUALATEX),)
-  $(info cfg: no lualatex found, deferring to xelatex)
-  ifeq ($(CFG_XELATEX),)
-    $(info cfg: no xelatex found, deferring to pdflatex)
-    ifeq ($(CFG_PDFLATEX),)
-      $(info cfg: no pdflatex found, disabling LaTeX docs)
-      NO_PDF_DOCS = 1
-	else
-      CFG_LATEX := $(CFG_PDFLATEX)
-    endif
-  else
+# Check for xelatex
+
+ifeq ($(CFG_XELATEX),)
     CFG_LATEX := $(CFG_XELATEX)
     XELATEX = 1
-  endif
-else
-  CFG_LATEX := $(CFG_LUALATEX)
+  else
+    $(info cfg: no xelatex found, disabling LaTeX docs)
+    NO_PDF_DOCS = 1
 endif
 
-
 ifeq ($(CFG_PANDOC),)
 $(info cfg: no pandoc found, omitting PDF and EPUB docs)
 ONLY_HTML_DOCS = 1

trunk/src/libcollections/str.rs

@@ -80,7 +80,7 @@ pub use core::str::{Lines, LinesAny, MatchIndices, SplitStr, CharRange};
 pub use core::str::{Split, SplitTerminator};
 pub use core::str::{SplitN, RSplitN};
 pub use core::str::{from_utf8, CharEq, Chars, CharIndices, Bytes};
-pub use core::str::{from_utf8_unchecked, from_c_str};
+pub use core::str::{from_utf8_unchecked, from_c_str, ParseBoolError};
 pub use unicode::str::{Words, Graphemes, GraphemeIndices};
 
 /*

trunk/src/libcollections/vec.rs

@@ -690,7 +690,8 @@ impl<T> Vec<T> {
     /// Panics if the number of elements in the vector overflows a `usize`.
     ///
     /// # Examples
-    /// ```rust
+    ///
+    /// ```
     /// let mut vec = vec![1, 2, 3];
     /// let mut vec2 = vec![4, 5, 6];
     /// vec.append(&mut vec2);
@@ -1002,8 +1003,13 @@ impl<T> Vec<T> {
     ///
     /// Note that the capacity of `self` does not change.
     ///
+    /// # Panics
+    ///
+    /// Panics if `at > len`.
+    ///
     /// # Examples
-    /// ```rust
+    ///
+    /// ```
     /// let mut vec = vec![1,2,3];
     /// let vec2 = vec.split_off(1);
     /// assert_eq!(vec, vec![1]);
@@ -1013,7 +1019,7 @@ impl<T> Vec<T> {
     #[unstable(feature = "collections",
                reason = "new API, waiting for dust to settle")]
     pub fn split_off(&mut self, at: usize) -> Self {
-        assert!(at < self.len(), "`at` out of bounds");
+        assert!(at <= self.len(), "`at` out of bounds");
 
         let other_len = self.len - at;
         let mut other = Vec::with_capacity(other_len);

trunk/src/librustc/session/config.rs

@@ -33,9 +33,10 @@ use syntax::diagnostic::{ColorConfig, Auto, Always, Never, SpanHandler};
 use syntax::parse;
 use syntax::parse::token::InternedString;
 
+use getopts;
 use std::collections::HashMap;
 use std::collections::hash_map::Entry::{Occupied, Vacant};
-use getopts;
+use std::env;
 use std::fmt;
 
 use llvm;
@@ -821,7 +822,6 @@ pub fn parse_cfgspecs(cfgspecs: Vec<String> ) -> ast::CrateConfig {
 }
 
 pub fn build_session_options(matches: &getopts::Matches) -> Options {
-
     let unparsed_crate_types = matches.opt_strs("crate-type");
     let crate_types = parse_crate_types_from_list(unparsed_crate_types)
         .unwrap_or_else(|e| early_error(&e[]));
@@ -1041,7 +1041,22 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options {
         crate_name: crate_name,
         alt_std_name: None,
         libs: libs,
-        unstable_features: UnstableFeatures::Disallow
+        unstable_features: get_unstable_features_setting(),
+    }
+}
+
+pub fn get_unstable_features_setting() -> UnstableFeatures {
+    // Whether this is a feature-staged build, i.e. on the beta or stable channel
+    let disable_unstable_features = option_env!("CFG_DISABLE_UNSTABLE_FEATURES").is_some();
+    // The secret key needed to get through the rustc build itself by
+    // subverting the unstable features lints
+    let bootstrap_secret_key = option_env!("CFG_BOOTSTRAP_KEY");
+    // The matching key to the above, only known by the build system
+    let bootstrap_provided_key = env::var_string("RUSTC_BOOTSTRAP_KEY").ok();
+    match (disable_unstable_features, bootstrap_secret_key, bootstrap_provided_key) {
+        (_, Some(ref s), Some(ref p)) if s == p => UnstableFeatures::Cheat,
+        (true, _, _) => UnstableFeatures::Disallow,
+        (false, _, _) => UnstableFeatures::Default
     }
 }
 

trunk/src/librustc_driver/driver.rs

@@ -1,4 +1,4 @@
-// Copyright 2012-2013 The Rust Project Developers. See the COPYRIGHT
+// Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
 // http://rust-lang.org/COPYRIGHT.
 //
@@ -27,6 +27,7 @@ use rustc_trans::back::write;
 use rustc_trans::trans;
 use rustc_typeck as typeck;
 use rustc_privacy;
+use super::Compilation;
 
 use serialize::json;
 
@@ -55,7 +56,7 @@ pub fn compile_input(sess: Session,
             let state = $make_state;
             (control.$point.callback)(state);
         }
-        if control.$point.stop {
+        if control.$point.stop == Compilation::Stop {
             return;
         }
     })}
@@ -206,14 +207,14 @@ impl<'a> CompileController<'a> {
 }
 
 pub struct PhaseController<'a> {
-    pub stop: bool,
+    pub stop: Compilation,
     pub callback: Box<Fn(CompileState) -> () + 'a>,
 }
 
 impl<'a> PhaseController<'a> {
     pub fn basic() -> PhaseController<'a> {
         PhaseController {
-            stop: false,
+            stop: Compilation::Continue,
             callback: box |_| {},
         }
     }