---

yaml
---
r: 276870
b: refs/heads/try
c: a447124
h: refs/heads/master

Author: Manishearth

[refs]

@@ -1,7 +1,7 @@
 ---
 refs/heads/master: 6dbb0e86aec11050480beb76eade6fb805010ba7
 refs/heads/snap-stage3: 235d77457d80b549dad3ac36d94f235208a1eafb
-refs/heads/try: c411897e38add84e1d4709584bb5728ecf587f15
+refs/heads/try: a44712496379844c30bb8a37c725cd4687d5c395
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503

branches/try/mk/crates.mk

@@ -56,7 +56,7 @@ TARGET_CRATES := libc std term \
 		 alloc_system alloc_jemalloc
 RUSTC_CRATES := rustc rustc_typeck rustc_mir rustc_borrowck rustc_resolve rustc_driver \
                 rustc_trans rustc_back rustc_llvm rustc_privacy rustc_lint \
-                rustc_data_structures rustc_platform_intrinsics \
+                rustc_data_structures rustc_front rustc_platform_intrinsics \
                 rustc_plugin rustc_metadata rustc_passes rustc_save_analysis \
                 rustc_const_eval rustc_const_math
 HOST_CRATES := syntax syntax_ext $(RUSTC_CRATES) rustdoc fmt_macros \
@@ -93,37 +93,38 @@ DEPS_syntax := std term serialize log arena libc rustc_bitflags rustc_unicode
 DEPS_syntax_ext := syntax fmt_macros
 
 DEPS_rustc_const_math := std syntax log serialize
-DEPS_rustc_const_eval := rustc_const_math rustc syntax log serialize \
+DEPS_rustc_const_eval := rustc_const_math rustc syntax log serialize rustc_front \
 					     rustc_back graphviz
 
-DEPS_rustc := syntax fmt_macros flate arena serialize getopts rbml \
+DEPS_rustc := syntax fmt_macros flate arena serialize getopts rbml rustc_front\
               log graphviz rustc_back rustc_data_structures\
 		  	  rustc_const_math
-DEPS_rustc_back := std syntax flate log libc
-DEPS_rustc_borrowck := rustc rustc_mir log graphviz syntax
+DEPS_rustc_back := std syntax rustc_front flate log libc
+DEPS_rustc_borrowck := rustc rustc_front rustc_mir 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 \
-	             rustc_trans rustc_privacy rustc_lint rustc_plugin \
+	             rustc_trans rustc_privacy rustc_lint rustc_front rustc_plugin \
                      rustc_metadata syntax_ext rustc_passes rustc_save_analysis rustc_const_eval
+DEPS_rustc_front := std syntax log serialize
 DEPS_rustc_lint := rustc log syntax rustc_const_eval
 DEPS_rustc_llvm := native:rustllvm libc std rustc_bitflags
-DEPS_rustc_metadata := rustc syntax rbml rustc_const_math
-DEPS_rustc_passes := syntax rustc core rustc_const_eval
-DEPS_rustc_mir := rustc syntax rustc_const_math rustc_const_eval
-DEPS_rustc_resolve := arena rustc log syntax
+DEPS_rustc_metadata := rustc rustc_front syntax rbml rustc_const_math
+DEPS_rustc_passes := syntax rustc core rustc_front rustc_const_eval
+DEPS_rustc_mir := rustc rustc_front syntax rustc_const_math rustc_const_eval
+DEPS_rustc_resolve := arena rustc rustc_front log syntax
 DEPS_rustc_platform_intrinsics := std
 DEPS_rustc_plugin := rustc rustc_metadata syntax rustc_mir
-DEPS_rustc_privacy := rustc log syntax
+DEPS_rustc_privacy := rustc rustc_front log syntax
 DEPS_rustc_trans := arena flate getopts graphviz libc rustc rustc_back rustc_mir \
-                    log syntax serialize rustc_llvm rustc_platform_intrinsics \
+                    log syntax serialize rustc_llvm rustc_front rustc_platform_intrinsics \
                     rustc_const_math rustc_const_eval
-DEPS_rustc_save_analysis := rustc log syntax
-DEPS_rustc_typeck := rustc syntax rustc_platform_intrinsics rustc_const_math \
+DEPS_rustc_save_analysis := rustc log syntax rustc_front
+DEPS_rustc_typeck := rustc syntax rustc_front rustc_platform_intrinsics rustc_const_math \
                      rustc_const_eval
 
 DEPS_rustdoc := rustc rustc_driver native:hoedown serialize getopts \
-                test rustc_lint rustc_const_eval
+                test rustc_lint rustc_front rustc_const_eval
 
 
 TOOL_DEPS_compiletest := test getopts log

branches/try/mk/rt.mk

@@ -157,8 +157,6 @@ else ifeq ($(findstring android, $(OSTYPE_$(1))), android)
   # If the test suite passes, however, without symbol prefixes then we should be
   # good to go!
   JEMALLOC_ARGS_$(1) := --disable-tls --with-jemalloc-prefix=je_
-else ifeq ($(findstring dragonfly, $(OSTYPE_$(1))), dragonfly)
-  JEMALLOC_ARGS_$(1) := --with-jemalloc-prefix=je_
 endif
 
 ifdef CFG_ENABLE_DEBUG_JEMALLOC

branches/try/src/doc/book/concurrency.md

@@ -164,7 +164,7 @@ The same [ownership system](ownership.html) that helps prevent using pointers
 incorrectly also helps rule out data races, one of the worst kinds of
 concurrency bugs.
 
-As an example, here is a Rust program that would have a data race in many
+As an example, here is a Rust program that could have a data race in many
 languages. It will not compile:
 
 ```ignore
@@ -197,6 +197,11 @@ thread, and the thread takes ownership of the reference, we'd have three owners!
 `data` gets moved out of `main` in the first call to `spawn()`, so subsequent
 calls in the loop cannot use this variable.
 
+Note that this specific example will not cause a data race since different array
+indices are being accessed. But this can't be determined at compile time, and in
+a similar situation where `i` is a constant or is random, you would have a data
+race.
+
 So, we need some type that lets us have more than one owning reference to a
 value. Usually, we'd use `Rc<T>` for this, which is a reference counted type
 that provides shared ownership. It has some runtime bookkeeping that keeps track

branches/try/src/liballoc_jemalloc/build.rs

@@ -86,8 +86,6 @@ fn main() {
         // should be good to go!
         cmd.arg("--with-jemalloc-prefix=je_");
         cmd.arg("--disable-tls");
-    } else if target.contains("dragonfly") {
-        cmd.arg("--with-jemalloc-prefix=je_");
     }
 
     if cfg!(feature = "debug-jemalloc") {

branches/try/src/liballoc_jemalloc/lib.rs

@@ -42,27 +42,22 @@ use libc::{c_int, c_void, size_t};
 extern {}
 
 // Note that the symbols here are prefixed by default on OSX (we don't
-// explicitly request it), and on Android and DragonFly we explicitly request
-// it as unprefixing cause segfaults (mismatches in allocators).
+// explicitly request it), and on Android we explicitly request it as
+// unprefixing cause segfaults (mismatches in allocators).
 extern {
-    #[cfg_attr(any(target_os = "macos", target_os = "android", target_os = "ios",
-                   target_os = "dragonfly"),
+    #[cfg_attr(any(target_os = "macos", target_os = "android", target_os = "ios"),
                link_name = "je_mallocx")]
     fn mallocx(size: size_t, flags: c_int) -> *mut c_void;
-    #[cfg_attr(any(target_os = "macos", target_os = "android", target_os = "ios",
-                   target_os = "dragonfly"),
+    #[cfg_attr(any(target_os = "macos", target_os = "android", target_os = "ios"),
                link_name = "je_rallocx")]
     fn rallocx(ptr: *mut c_void, size: size_t, flags: c_int) -> *mut c_void;
-    #[cfg_attr(any(target_os = "macos", target_os = "android", target_os = "ios",
-                   target_os = "dragonfly"),
+    #[cfg_attr(any(target_os = "macos", target_os = "android", target_os = "ios"),
                link_name = "je_xallocx")]
     fn xallocx(ptr: *mut c_void, size: size_t, extra: size_t, flags: c_int) -> size_t;
-    #[cfg_attr(any(target_os = "macos", target_os = "android", target_os = "ios",
-                   target_os = "dragonfly"),
+    #[cfg_attr(any(target_os = "macos", target_os = "android", target_os = "ios"),
                link_name = "je_sdallocx")]
     fn sdallocx(ptr: *mut c_void, size: size_t, flags: c_int);
-    #[cfg_attr(any(target_os = "macos", target_os = "android", target_os = "ios",
-                   target_os = "dragonfly"),
+    #[cfg_attr(any(target_os = "macos", target_os = "android", target_os = "ios"),
                link_name = "je_nallocx")]
     fn nallocx(size: size_t, flags: c_int) -> size_t;
 }

branches/try/src/liblibc

@@ -1 +1 @@
-Subproject commit 7265c17d1845354f979a39b4ceb3a6934025b2ab
+Subproject commit 2278a549559c38872b4338cb002ecc2a80d860dc

branches/try/src/librustc/Cargo.toml

@@ -19,5 +19,6 @@ rustc_back = { path = "../librustc_back" }
 rustc_bitflags = { path = "../librustc_bitflags" }
 rustc_const_math = { path = "../librustc_const_math" }
 rustc_data_structures = { path = "../librustc_data_structures" }
+rustc_front = { path = "../librustc_front" }
 serialize = { path = "../libserialize" }
 syntax = { path = "../libsyntax" }

branches/try/src/librustc/cfg/construct.rs

@@ -10,13 +10,13 @@
 
 use rustc_data_structures::graph;
 use cfg::*;
-use hir::def::Def;
-use hir::pat_util;
+use middle::def::Def;
+use middle::pat_util;
 use ty::{self, TyCtxt};
 use syntax::ast;
 use syntax::ptr::P;
 
-use hir::{self, PatKind};
+use rustc_front::hir::{self, PatKind};
 
 struct CFGBuilder<'a, 'tcx: 'a> {
     tcx: &'a TyCtxt<'tcx>,
@@ -257,7 +257,7 @@ impl<'a, 'tcx> CFGBuilder<'a, 'tcx> {
                 self.match_(expr.id, &discr, &arms, pred)
             }
 
-            hir::ExprBinary(op, ref l, ref r) if op.node.is_lazy() => {
+            hir::ExprBinary(op, ref l, ref r) if ::rustc_front::util::lazy_binop(op.node) => {
                 //
                 //     [pred]
                 //       |

branches/try/src/librustc/cfg/graphviz.rs

@@ -17,7 +17,7 @@ use graphviz::IntoCow;
 
 use syntax::ast;
 
-use hir::map as ast_map;
+use front::map as ast_map;
 use cfg;
 
 pub type Node<'a> = (cfg::CFGIndex, &'a cfg::CFGNode);

branches/try/src/librustc/cfg/mod.rs

@@ -14,7 +14,7 @@
 use rustc_data_structures::graph;
 use ty::TyCtxt;
 use syntax::ast;
-use hir;
+use rustc_front::hir;
 
 mod construct;
 pub mod graphviz;

branches/try/src/librustc/dep_graph/mod.rs

@@ -9,11 +9,11 @@
 // except according to those terms.
 
 use self::thread::{DepGraphThreadData, DepMessage};
-use hir::def_id::DefId;
+use middle::def_id::DefId;
 use syntax::ast::NodeId;
 use ty::TyCtxt;
-use hir;
-use hir::intravisit::Visitor;
+use rustc_front::hir;
+use rustc_front::intravisit::Visitor;
 use std::rc::Rc;
 
 mod dep_tracking_map;

branches/try/src/librustc/hir/check_attr.rs renamed to branches/try/src/librustc/front/check_attr.rs

@@ -23,14 +23,14 @@
 
 pub use self::Code::*;
 
-use hir::map::{self, Node};
+use front::map::{self, Node};
 use syntax::abi;
-use hir::{Block, FnDecl};
+use rustc_front::hir::{Block, FnDecl};
 use syntax::ast::{Attribute, Name, NodeId};
 use syntax::attr::ThinAttributesExt;
-use hir as ast;
+use rustc_front::hir as ast;
 use syntax::codemap::Span;
-use hir::intravisit::FnKind;
+use rustc_front::intravisit::FnKind;
 
 /// An FnLikeNode is a Node that is like a fn, in that it has a decl
 /// and a body (as well as a NodeId, a span, etc).

branches/try/src/librustc/hir/map/blocks.rs renamed to branches/try/src/librustc/front/map/blocks.rs

@@ -11,10 +11,10 @@
 use super::*;
 use super::MapEntry::*;
 
-use hir::*;
-use hir::intravisit::Visitor;
-use hir::def_id::{CRATE_DEF_INDEX, DefId, DefIndex};
-use middle::cstore::InlinedItem;
+use rustc_front::hir::*;
+use rustc_front::util;
+use rustc_front::intravisit::{self, Visitor};
+use middle::def_id::{CRATE_DEF_INDEX, DefId, DefIndex};
 use std::iter::repeat;
 use syntax::ast::{NodeId, CRATE_NODE_ID, DUMMY_NODE_ID};
 use syntax::codemap::Span;
@@ -47,7 +47,7 @@ impl<'ast> NodeCollector<'ast> {
     }
 
     pub fn extend(krate: &'ast Crate,
-                  parent: &'ast InlinedItem,
+                  parent: &'ast InlinedParent,
                   parent_node: NodeId,
                   parent_def_path: DefPath,
                   parent_def_id: DefId,
@@ -305,7 +305,7 @@ impl<'ast> Visitor<'ast> for NodeCollector<'ast> {
     }
 
     fn visit_stmt(&mut self, stmt: &'ast Stmt) {
-        let id = stmt.node.id();
+        let id = util::stmt_id(stmt);
         self.insert(id, NodeStmt(stmt));
         let parent_node = self.parent_node;
         self.parent_node = id;

branches/try/src/librustc/hir/map/collector.rs renamed to branches/try/src/librustc/front/map/collector.rs

@@ -9,7 +9,7 @@
 // except according to those terms.
 
 use middle::cstore::LOCAL_CRATE;
-use hir::def_id::{DefId, DefIndex};
+use middle::def_id::{DefId, DefIndex};
 use rustc_data_structures::fnv::FnvHashMap;
 use syntax::ast;
 use syntax::parse::token::InternedString;