---

yaml
---
r: 273915
b: refs/heads/beta
c: 22c229d
h: refs/heads/master
i:
  273913: ac1dbf8
  273911: 69a8869

Author: Manishearth

[refs]

@@ -23,7 +23,7 @@ refs/tags/0.9: 36870b185fc5f5486636d4515f0e22677493f225
 refs/tags/0.10: ac33f2b15782272ae348dbd7b14b8257b2148b5a
 refs/tags/0.11.0: e1247cb1d0d681be034adb4b558b5a0c0d5720f9
 refs/tags/0.12.0: f0c419429ef30723ceaf6b42f9b5a2aeb5d2e2d1
-refs/heads/beta: 39055800c1ae762b7eac2e3627d4a5be91a65289
+refs/heads/beta: 22c229d88c6897ed3b10d31ff5a0c43f259eaff1
 refs/tags/1.0.0-alpha: e42bd6d93a1d3433c486200587f8f9e12590a4d7
 refs/heads/tmp: e06d2ad9fcd5027bcaac5b08fc9aa39a49d0ecd3
 refs/tags/1.0.0-alpha.2: 4c705f6bc559886632d3871b04f58aab093bfa2f

branches/beta/configure

@@ -608,6 +608,7 @@ opt inject-std-version 1 "inject the current compiler version of libstd into pro
 opt llvm-version-check 1 "check if the LLVM version is supported, build anyway"
 opt rustbuild 0 "use the rust and cargo based build system"
 opt orbit 0 "get MIR where it belongs - everywhere; most importantly, in orbit"
+opt codegen-tests 1 "run the src/test/codegen tests"
 
 # Optimization and debugging options. These may be overridden by the release channel, etc.
 opt_nosave optimize 1 "build optimized rust code"
@@ -1497,7 +1498,9 @@ do
         LLVM_INST_DIR=$CFG_LLVM_ROOT
         do_reconfigure=0
         # Check that LLVm FileCheck is available. Needed for the tests
-        need_cmd $LLVM_INST_DIR/bin/FileCheck
+        if [ -z "$CFG_DISABLE_CODEGEN_TESTS" ]; then
+            need_cmd $LLVM_INST_DIR/bin/FileCheck
+        fi
     fi
 
     if [ ${do_reconfigure} -ne 0 ]

branches/beta/mk/tests.mk

@@ -305,11 +305,15 @@ check-stage$(1)-T-$(2)-H-$(3)-exec: \
 	check-stage$(1)-T-$(2)-H-$(3)-doc-crates-exec \
 	check-stage$(1)-T-$(2)-H-$(3)-debuginfo-gdb-exec \
 	check-stage$(1)-T-$(2)-H-$(3)-debuginfo-lldb-exec \
-	check-stage$(1)-T-$(2)-H-$(3)-codegen-exec \
-	check-stage$(1)-T-$(2)-H-$(3)-codegen-units-exec \
 	check-stage$(1)-T-$(2)-H-$(3)-doc-exec \
 	check-stage$(1)-T-$(2)-H-$(3)-pretty-exec
 
+ifndef CFG_DISABLE_CODEGEN_TESTS
+check-stage$(1)-T-$(2)-H-$(3)-exec: \
+	check-stage$(1)-T-$(2)-H-$(3)-codegen-exec \
+	check-stage$(1)-T-$(2)-H-$(3)-codegen-units-exec
+endif
+
 # Only test the compiler-dependent crates when the target is
 # able to build a compiler (when the target triple is in the set of host triples)
 ifneq ($$(findstring $(2),$$(CFG_HOST)),)

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

@@ -326,7 +326,13 @@ impl Build {
         if !target.contains("msvc") {
             cargo.env(format!("CC_{}", target), self.cc(target))
                  .env(format!("AR_{}", target), self.ar(target))
-                 .env(format!("CFLAGS_{}", target), self.cflags(target));
+                 .env(format!("CFLAGS_{}", target), self.cflags(target).join(" "));
+        }
+
+        // If we're building for OSX, inform the compiler and the linker that
+        // we want to build a compiler runnable on 10.7
+        if target.contains("apple-darwin") {
+            cargo.env("MACOSX_DEPLOYMENT_TARGET", "10.7");
         }
 
         // Environment variables *required* needed throughout the build
@@ -497,11 +503,20 @@ impl Build {
         self.cc[target].0.path()
     }
 
-    fn cflags(&self, target: &str) -> String {
-        self.cc[target].0.args().iter()
-            .map(|s| s.to_string_lossy())
-            .collect::<Vec<_>>()
-            .join(" ")
+    fn cflags(&self, target: &str) -> Vec<String> {
+        let mut base = self.cc[target].0.args().iter()
+                           .map(|s| s.to_string_lossy().into_owned())
+                           .collect::<Vec<_>>();
+
+        // If we're compiling on OSX then we add a few unconditional flags
+        // indicating that we want libc++ (more filled out than libstdc++) and
+        // we want to compile for 10.7. This way we can ensure that
+        // LLVM/jemalloc/etc are all properly compiled.
+        if target.contains("apple-darwin") {
+            base.push("-stdlib=libc++".into());
+            base.push("-mmacosx-version-min=10.7".into());
+        }
+        return base
     }
 
     fn ar(&self, target: &str) -> &Path {

branches/beta/src/bootstrap/build/native.rs

@@ -86,6 +86,9 @@ pub fn llvm(build: &Build, target: &str) {
               .define("CMAKE_CXX_COMPILER", build.cxx(target));
         }
         cfg.build_arg("-j").build_arg(build.jobs().to_string());
+
+        cfg.define("CMAKE_C_FLAGS", build.cflags(target).join(" "));
+        cfg.define("CMAKE_CXX_FLAGS", build.cflags(target).join(" "));
     }
 
     // FIXME: we don't actually need to build all LLVM tools and all LLVM

branches/beta/src/libcollections/btree/map.rs

@@ -285,6 +285,12 @@ pub struct Values<'a, K: 'a, V: 'a> {
     inner: Iter<'a, K, V>,
 }
 
+/// A mutable iterator over a BTreeMap's values.
+#[unstable(feature = "map_values_mut", reason = "recently added", issue = "32551")]
+pub struct ValuesMut<'a, K: 'a, V: 'a> {
+    inner: IterMut<'a, K, V>,
+}
+
 /// An iterator over a sub-range of BTreeMap's entries.
 pub struct Range<'a, K: 'a, V: 'a> {
     front: Handle<NodeRef<marker::Immut<'a>, K, V, marker::Leaf>, marker::Edge>,
@@ -1006,6 +1012,33 @@ impl<'a, K, V> Iterator for Range<'a, K, V> {
     }
 }
 
+#[unstable(feature = "map_values_mut", reason = "recently added", issue = "32551")]
+impl<'a, K, V> Iterator for ValuesMut<'a, K, V> {
+    type Item = &'a mut V;
+
+    fn next(&mut self) -> Option<&'a mut V> {
+        self.inner.next().map(|(_, v)| v)
+    }
+
+    fn size_hint(&self) -> (usize, Option<usize>) {
+        self.inner.size_hint()
+    }
+}
+
+#[unstable(feature = "map_values_mut", reason = "recently added", issue = "32551")]
+impl<'a, K, V> DoubleEndedIterator for ValuesMut<'a, K, V> {
+    fn next_back(&mut self) -> Option<&'a mut V> {
+        self.inner.next_back().map(|(_, v)| v)
+    }
+}
+
+#[unstable(feature = "map_values_mut", reason = "recently added", issue = "32551")]
+impl<'a, K, V> ExactSizeIterator for ValuesMut<'a, K, V> {
+    fn len(&self) -> usize {
+        self.inner.len()
+    }
+}
+
 impl<'a, K, V> Range<'a, K, V> {
     unsafe fn next_unchecked(&mut self) -> (&'a K, &'a V) {
         let handle = self.front;
@@ -1403,6 +1436,33 @@ impl<K, V> BTreeMap<K, V> {
         Values { inner: self.iter() }
     }
 
+    /// Gets a mutable iterator over the values of the map, in order by key.
+    ///
+    /// # Examples
+    ///
+    /// Basic usage:
+    ///
+    /// ```
+    /// # #![feature(map_values_mut)]
+    /// use std::collections::BTreeMap;
+    ///
+    /// let mut a = BTreeMap::new();
+    /// a.insert(1, String::from("hello"));
+    /// a.insert(2, String::from("goodbye"));
+    ///
+    /// for value in a.values_mut() {
+    ///     value.push_str("!");
+    /// }
+    ///
+    /// let values: Vec<String> = a.values().cloned().collect();
+    /// assert_eq!(values, [String::from("hello!"),
+    ///                     String::from("goodbye!")]);
+    /// ```
+    #[unstable(feature = "map_values_mut", reason = "recently added", issue = "32551")]
+    pub fn values_mut<'a>(&'a mut self) -> ValuesMut<'a, K, V> {
+        ValuesMut { inner: self.iter_mut() }
+    }
+
     /// Returns the number of elements in the map.
     ///
     /// # Examples

branches/beta/src/libcollectionstest/btree/map.rs

@@ -114,6 +114,21 @@ fn test_iter_rev() {
     test(size, map.into_iter().rev());
 }
 
+#[test]
+fn test_values_mut() {
+    let mut a = BTreeMap::new();
+    a.insert(1, String::from("hello"));
+    a.insert(2, String::from("goodbye"));
+
+    for value in a.values_mut() {
+        value.push_str("!");
+    }
+
+    let values: Vec<String> = a.values().cloned().collect();
+    assert_eq!(values, [String::from("hello!"),
+                        String::from("goodbye!")]);
+}
+
 #[test]
 fn test_iter_mixed() {
     let size = 10000;

branches/beta/src/libcollectionstest/lib.rs

@@ -22,6 +22,7 @@
 #![feature(enumset)]
 #![feature(iter_arith)]
 #![feature(map_entry_keys)]
+#![feature(map_values_mut)]
 #![feature(pattern)]
 #![feature(rand)]
 #![feature(set_recovery)]

branches/beta/src/libcore/num/dec2flt/mod.rs

@@ -154,8 +154,8 @@ from_str_float_impl!(f64);
 /// for [`f32`] and [`f64`].
 ///
 /// [`FromStr`]: ../str/trait.FromStr.html
-/// [`f32`]: ../primitive.f32.html
-/// [`f64`]: ../primitive.f64.html
+/// [`f32`]: ../../std/primitive.f32.html
+/// [`f64`]: ../../std/primitive.f64.html
 #[derive(Debug, Clone, PartialEq)]
 #[stable(feature = "rust1", since = "1.0.0")]
 pub struct ParseFloatError {

branches/beta/src/librustc/infer/combine.rs

@@ -37,7 +37,7 @@ use super::equate::Equate;
 use super::glb::Glb;
 use super::lub::Lub;
 use super::sub::Sub;
-use super::{InferCtxt};
+use super::InferCtxt;
 use super::{MiscVariable, TypeTrace};
 use super::type_variable::{RelationDir, BiTo, EqTo, SubtypeOf, SupertypeOf};
 
@@ -46,6 +46,7 @@ use ty::{self, Ty, TyCtxt};
 use ty::error::TypeError;
 use ty::fold::{TypeFolder, TypeFoldable};
 use ty::relate::{Relate, RelateResult, TypeRelation};
+use traits::PredicateObligations;
 
 use syntax::ast;
 use syntax::codemap::Span;
@@ -56,6 +57,7 @@ pub struct CombineFields<'a, 'tcx: 'a> {
     pub a_is_expected: bool,
     pub trace: TypeTrace<'tcx>,
     pub cause: Option<ty::relate::Cause>,
+    pub obligations: PredicateObligations<'tcx>,
 }
 
 pub fn super_combine_tys<'a,'tcx:'a,R>(infcx: &InferCtxt<'a, 'tcx>,

branches/beta/src/librustc/infer/equate.rs

@@ -16,6 +16,7 @@ use super::type_variable::{EqTo};
 use ty::{self, Ty, TyCtxt};
 use ty::TyVar;
 use ty::relate::{Relate, RelateResult, TypeRelation};
+use traits::PredicateObligations;
 
 /// Ensures `a` is made equal to `b`. Returns `a` on success.
 pub struct Equate<'a, 'tcx: 'a> {
@@ -26,6 +27,10 @@ impl<'a, 'tcx> Equate<'a, 'tcx> {
     pub fn new(fields: CombineFields<'a, 'tcx>) -> Equate<'a, 'tcx> {
         Equate { fields: fields }
     }
+
+    pub fn obligations(self) -> PredicateObligations<'tcx> {
+        self.fields.obligations
+    }
 }
 
 impl<'a, 'tcx> TypeRelation<'a,'tcx> for Equate<'a, 'tcx> {

branches/beta/src/librustc/infer/glb.rs

@@ -16,6 +16,7 @@ use super::Subtype;
 
 use ty::{self, Ty, TyCtxt};
 use ty::relate::{Relate, RelateResult, TypeRelation};
+use traits::PredicateObligations;
 
 /// "Greatest lower bound" (common subtype)
 pub struct Glb<'a, 'tcx: 'a> {
@@ -26,6 +27,10 @@ impl<'a, 'tcx> Glb<'a, 'tcx> {
     pub fn new(fields: CombineFields<'a, 'tcx>) -> Glb<'a, 'tcx> {
         Glb { fields: fields }
     }
+
+    pub fn obligations(self) -> PredicateObligations<'tcx> {
+        self.fields.obligations
+    }
 }
 
 impl<'a, 'tcx> TypeRelation<'a, 'tcx> for Glb<'a, 'tcx> {

branches/beta/src/librustc/infer/lub.rs

@@ -16,6 +16,7 @@ use super::Subtype;
 
 use ty::{self, Ty, TyCtxt};
 use ty::relate::{Relate, RelateResult, TypeRelation};
+use traits::PredicateObligations;
 
 /// "Least upper bound" (common supertype)
 pub struct Lub<'a, 'tcx: 'a> {
@@ -26,6 +27,10 @@ impl<'a, 'tcx> Lub<'a, 'tcx> {
     pub fn new(fields: CombineFields<'a, 'tcx>) -> Lub<'a, 'tcx> {
         Lub { fields: fields }
     }
+
+    pub fn obligations(self) -> PredicateObligations<'tcx> {
+        self.fields.obligations
+    }
 }
 
 impl<'a, 'tcx> TypeRelation<'a, 'tcx> for Lub<'a, 'tcx> {