---

yaml
---
r: 275057
b: refs/heads/stable
c: a212264
h: refs/heads/master
i:
  275055: 9f4becb

Author: bors

[refs]

@@ -29,7 +29,7 @@ refs/heads/tmp: e06d2ad9fcd5027bcaac5b08fc9aa39a49d0ecd3
 refs/tags/1.0.0-alpha.2: 4c705f6bc559886632d3871b04f58aab093bfa2f
 refs/tags/homu-tmp: c0221c8897db309a79990367476177b1230bb264
 refs/tags/1.0.0-beta: 8cbb92b53468ee2b0c2d3eeb8567005953d40828
-refs/heads/stable: d835f5bfd84104477d77cfc47e1f7a8c50ec384d
+refs/heads/stable: a212264011289885bdb8b2306a8fdd50e1f83c99
 refs/tags/1.0.0: 55bd4f8ff2b323f317ae89e254ce87162d52a375
 refs/tags/1.1.0: bc3c16f09287e5545c1d3f76b7abd54f2eca868b
 refs/tags/1.2.0: f557861f822c34f07270347b94b5280de20a597e

branches/stable/src/libcore/fmt/mod.rs

@@ -121,6 +121,10 @@ pub trait Write {
                 self.0.write_str(s)
             }
 
+            fn write_char(&mut self, c: char) -> Result {
+                self.0.write_char(c)
+            }
+
             fn write_fmt(&mut self, args: Arguments) -> Result {
                 self.0.write_fmt(args)
             }

branches/stable/src/liblibc

@@ -1 +1 @@
-Subproject commit a64ee24718c0289b82a77d692cf56f8a1226de51
+Subproject commit 403bdc88394919f297bdb365032044cc0481c319

branches/stable/src/librustc_back/target/freebsd_base.rs

@@ -16,13 +16,20 @@ pub fn opts() -> TargetOptions {
         linker: "cc".to_string(),
         dynamic_linking: true,
         executables: true,
+        linker_is_gnu: true,
         has_rpath: true,
-        pre_link_args: vec![
+        pre_link_args: vec!(
+            // GNU-style linkers will use this to omit linking to libraries
+            // which don't actually fulfill any relocations, but only for
+            // libraries which follow this flag.  Thus, use it before
+            // specifying libraries to link to.
+            "-Wl,--as-needed".to_string(),
+
             // Always enable NX protection when it is available
             "-Wl,-z,noexecstack".to_string(),
-        ],
+        ),
+        position_independent_executables: true,
         exe_allocation_crate: super::maybe_jemalloc(),
-
         .. Default::default()
     }
 }

branches/stable/src/librustc_data_structures/graph/mod.rs

@@ -115,7 +115,7 @@ impl<N:Debug,E:Debug> Graph<N,E> {
     // Simple accessors
 
     #[inline]
-    pub fn all_nodes<'a>(&'a self) -> &'a [Node<N>] {
+    pub fn all_nodes(&self) -> &[Node<N>] {
         &self.nodes
     }
 
@@ -125,7 +125,7 @@ impl<N:Debug,E:Debug> Graph<N,E> {
     }
 
     #[inline]
-    pub fn all_edges<'a>(&'a self) -> &'a [Edge<E>] {
+    pub fn all_edges(&self) -> &[Edge<E>] {
         &self.edges
     }
 
@@ -150,15 +150,15 @@ impl<N:Debug,E:Debug> Graph<N,E> {
         idx
     }
 
-    pub fn mut_node_data<'a>(&'a mut self, idx: NodeIndex) -> &'a mut N {
+    pub fn mut_node_data(&mut self, idx: NodeIndex) -> &mut N {
         &mut self.nodes[idx.0].data
     }
 
-    pub fn node_data<'a>(&'a self, idx: NodeIndex) -> &'a N {
+    pub fn node_data(&self, idx: NodeIndex) -> &N {
         &self.nodes[idx.0].data
     }
 
-    pub fn node<'a>(&'a self, idx: NodeIndex) -> &'a Node<N> {
+    pub fn node(&self, idx: NodeIndex) -> &Node<N> {
         &self.nodes[idx.0]
     }
 
@@ -199,15 +199,15 @@ impl<N:Debug,E:Debug> Graph<N,E> {
         return idx;
     }
 
-    pub fn mut_edge_data<'a>(&'a mut self, idx: EdgeIndex) -> &'a mut E {
+    pub fn mut_edge_data(&mut self, idx: EdgeIndex) -> &mut E {
         &mut self.edges[idx.0].data
     }
 
-    pub fn edge_data<'a>(&'a self, idx: EdgeIndex) -> &'a E {
+    pub fn edge_data(&self, idx: EdgeIndex) -> &E {
         &self.edges[idx.0].data
     }
 
-    pub fn edge<'a>(&'a self, idx: EdgeIndex) -> &'a Edge<E> {
+    pub fn edge(&self, idx: EdgeIndex) -> &Edge<E> {
         &self.edges[idx.0]
     }
 
@@ -257,11 +257,11 @@ impl<N:Debug,E:Debug> Graph<N,E> {
         AdjacentEdges { graph: self, direction: direction, next: first_edge }
     }
 
-    pub fn successor_nodes<'a>(&'a self, source: NodeIndex) -> AdjacentTargets<N,E> {
+    pub fn successor_nodes(&self, source: NodeIndex) -> AdjacentTargets<N,E> {
         self.outgoing_edges(source).targets()
     }
 
-    pub fn predecessor_nodes<'a>(&'a self, target: NodeIndex) -> AdjacentSources<N,E> {
+    pub fn predecessor_nodes(&self, target: NodeIndex) -> AdjacentSources<N,E> {
         self.incoming_edges(target).sources()
     }
 

branches/stable/src/librustc_data_structures/snapshot_vec.rs

@@ -91,14 +91,14 @@ impl<D:SnapshotVecDelegate> SnapshotVec<D> {
         len
     }
 
-    pub fn get<'a>(&'a self, index: usize) -> &'a D::Value {
+    pub fn get(&self, index: usize) -> &D::Value {
         &self.values[index]
     }
 
     /// Returns a mutable pointer into the vec; whatever changes you make here cannot be undone
     /// automatically, so you should be sure call `record()` with some sort of suitable undo
     /// action.
-    pub fn get_mut<'a>(&'a mut self, index: usize) -> &'a mut D::Value {
+    pub fn get_mut(&mut self, index: usize) -> &mut D::Value {
         &mut self.values[index]
     }
 

branches/stable/src/librustc_llvm/lib.rs

@@ -261,12 +261,12 @@ impl AttrBuilder {
         }
     }
 
-    pub fn arg<'a, T: AttrHelper + 'static>(&'a mut self, idx: usize, a: T) -> &'a mut AttrBuilder {
+    pub fn arg<T: AttrHelper + 'static>(&mut self, idx: usize, a: T) -> &mut AttrBuilder {
         self.attrs.push((idx, box a as Box<AttrHelper+'static>));
         self
     }
 
-    pub fn ret<'a, T: AttrHelper + 'static>(&'a mut self, a: T) -> &'a mut AttrBuilder {
+    pub fn ret<T: AttrHelper + 'static>(&mut self, a: T) -> &mut AttrBuilder {
         self.attrs.push((ReturnIndex as usize, box a as Box<AttrHelper+'static>));
         self
     }

branches/stable/src/librustc_mir/mir_map.rs

@@ -22,7 +22,7 @@ extern crate rustc_front;
 use build;
 use graphviz;
 use pretty;
-use transform::simplify_cfg;
+use transform::{simplify_cfg, no_landing_pads};
 use rustc::dep_graph::DepNode;
 use rustc::mir::repr::Mir;
 use hair::cx::Cx;
@@ -148,6 +148,7 @@ impl<'a, 'm, 'tcx> Visitor<'tcx> for InnerDump<'a,'m,'tcx> {
 
         match build_mir(Cx::new(&infcx), implicit_arg_tys, id, span, decl, body) {
             Ok(mut mir) => {
+                no_landing_pads::NoLandingPads.run_on_mir(&mut mir, self.tcx);
                 simplify_cfg::SimplifyCfg::new().run_on_mir(&mut mir, self.tcx);
 
                 let meta_item_list = self.attr

branches/stable/src/librustc_mir/transform/mod.rs

@@ -10,4 +10,5 @@
 
 pub mod simplify_cfg;
 pub mod erase_regions;
+pub mod no_landing_pads;
 mod util;

branches/stable/src/librustc_mir/transform/no_landing_pads.rs

@@ -0,0 +1,49 @@
+// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+//! This pass removes the unwind branch of all the terminators when the no-landing-pads option is
+//! specified.
+
+use rustc::middle::ty;
+use rustc::mir::repr::*;
+use rustc::mir::visit::MutVisitor;
+use rustc::mir::transform::MirPass;
+
+pub struct NoLandingPads;
+
+impl<'tcx> MutVisitor<'tcx> for NoLandingPads {
+    fn visit_terminator(&mut self, bb: BasicBlock, terminator: &mut Terminator<'tcx>) {
+        match *terminator {
+            Terminator::Goto { .. } |
+            Terminator::Resume |
+            Terminator::Return |
+            Terminator::If { .. } |
+            Terminator::Switch { .. } |
+            Terminator::SwitchInt { .. } => {
+                /* nothing to do */
+            },
+            Terminator::Drop { ref mut unwind, .. } => {
+                unwind.take();
+            },
+            Terminator::Call { ref mut cleanup, .. } => {
+                cleanup.take();
+            },
+        }
+        self.super_terminator(bb, terminator);
+    }
+}
+
+impl MirPass for NoLandingPads {
+    fn run_on_mir<'tcx>(&mut self, mir: &mut Mir<'tcx>, tcx: &ty::ctxt<'tcx>) {
+        if tcx.sess.no_landing_pads() {
+            self.visit_mir(mir);
+        }
+    }
+}

branches/stable/src/librustc_resolve/lib.rs

@@ -1038,6 +1038,7 @@ impl<'a> NameBinding<'a> {
 
     fn def_and_lp(&self) -> (Def, LastPrivate) {
         let def = self.def().unwrap();
+        if let Def::Err = def { return (def, LastMod(AllPublic)) }
         (def, LastMod(if self.is_public() { AllPublic } else { DependsOn(def.def_id()) }))
     }
 
@@ -1289,7 +1290,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
                                      span: Span,
                                      lp: LastPrivate)
                                      -> ResolveResult<(Module<'a>, LastPrivate)> {
-        fn search_parent_externals<'a>(needle: Name, module: Module<'a>) -> Option<Module<'a>> {
+        fn search_parent_externals(needle: Name, module: Module) -> Option<Module> {
             match module.resolve_name(needle, TypeNS, false) {
                 Success(binding) if binding.is_extern_crate() => Some(module),
                 _ => match module.parent_link {
@@ -3513,10 +3514,10 @@ fn path_names_to_string(path: &Path, depth: usize) -> String {
 }
 
 /// A somewhat inefficient routine to obtain the name of a module.
-fn module_to_string<'a>(module: Module<'a>) -> String {
+fn module_to_string(module: Module) -> String {
     let mut names = Vec::new();
 
-    fn collect_mod<'a>(names: &mut Vec<ast::Name>, module: Module<'a>) {
+    fn collect_mod(names: &mut Vec<ast::Name>, module: Module) {
         match module.parent_link {
             NoParentLink => {}
             ModuleParentLink(ref module, name) => {

branches/stable/src/librustc_resolve/resolve_imports.rs

@@ -218,6 +218,8 @@ impl<'a, 'b:'a, 'tcx:'b> ImportResolver<'a, 'b, 'tcx> {
                 kind: NameBindingKind::Def(Def::Err),
                 span: None,
             });
+            let dummy_binding =
+                self.resolver.new_name_binding(e.import_directive.import(dummy_binding));
 
             let _ = e.source_module.try_define_child(target, ValueNS, dummy_binding);
             let _ = e.source_module.try_define_child(target, TypeNS, dummy_binding);

branches/stable/src/librustc_trans/trans/common.rs

@@ -767,6 +767,10 @@ impl<'blk, 'tcx> BlockAndBuilder<'blk, 'tcx> {
     {
         self.bcx.monomorphize(value)
     }
+
+    pub fn set_lpad(&self, lpad: Option<LandingPad>) {
+        self.bcx.lpad.set(lpad.map(|p| &*self.fcx().lpad_arena.alloc(p)))
+    }
 }
 
 impl<'blk, 'tcx> Deref for BlockAndBuilder<'blk, 'tcx> {