---

yaml
---
r: 147711
b: refs/heads/try2
c: fecef74
h: refs/heads/master
i:
  147709: 825df87
  147707: 48905a2
  147703: f049ecd
  147695: 0c79be4
  147679: f599886
  147647: 3c2659e
  147583: a99a75c
  147455: 5fb3c26
v: v3

Author: pcwalton

[refs]

@@ -5,7 +5,7 @@ refs/heads/snap-stage3: 78a7676898d9f80ab540c6df5d4c9ce35bb50463
 refs/heads/try: 519addf6277dbafccbb4159db4b710c37eaa2ec5
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
-refs/heads/try2: ed819c9a81d138ab876c42ad35025ff432845a2c
+refs/heads/try2: fecef74d57307eb1ecbb4351ef644e04aafb6f9a
 refs/heads/dist-snap: ba4081a5a8573875fed17545846f6f6902c8ba8d
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503

branches/try2/src/librustc/metadata/encoder.rs

@@ -449,7 +449,8 @@ fn encode_reexported_static_base_methods(ecx: &EncodeContext,
     let inherent_impls = ecx.tcx.inherent_impls.borrow();
     match inherent_impls.get().find(&exp.def_id) {
         Some(implementations) => {
-            for &base_impl in implementations.iter() {
+            let implementations = implementations.borrow();
+            for &base_impl in implementations.get().iter() {
                 for &m in base_impl.methods.iter() {
                     if m.explicit_self == ast::sty_static {
                         encode_reexported_static_method(ecx, ebml_w, exp,
@@ -884,7 +885,8 @@ fn encode_inherent_implementations(ecx: &EncodeContext,
     match inherent_impls.get().find(&def_id) {
         None => {}
         Some(&implementations) => {
-            for implementation in implementations.iter() {
+            let implementations = implementations.borrow();
+            for implementation in implementations.get().iter() {
                 ebml_w.start_tag(tag_items_data_item_inherent_impl);
                 encode_def_id(ebml_w, implementation.did);
                 ebml_w.end_tag();

branches/try2/src/librustc/middle/dead.rs

@@ -287,7 +287,8 @@ impl DeadVisitor {
         match inherent_impls.get().find(&def_id) {
             None => (),
             Some(ref impl_list) => {
-                for impl_ in impl_list.iter() {
+                let impl_list = impl_list.borrow();
+                for impl_ in impl_list.get().iter() {
                     for method in impl_.methods.iter() {
                         if self.live_symbols.contains(&method.def_id.node) {
                             return true;

branches/try2/src/librustc/middle/ty.rs

@@ -338,7 +338,7 @@ struct ctxt_ {
     // Maps a def_id of a type to a list of its inherent impls.
     // Contains implementations of methods that are inherent to a type.
     // Methods in these implementations don't need to be exported.
-    inherent_impls: RefCell<HashMap<ast::DefId, @mut ~[@Impl]>>,
+    inherent_impls: RefCell<HashMap<ast::DefId, @RefCell<~[@Impl]>>>,
 
     // Maps a def_id of an impl to an Impl structure.
     // Note that this contains all of the impls that we know about,
@@ -4561,14 +4561,18 @@ pub fn populate_implementations_for_type_if_necessary(tcx: ctxt,
             let mut inherent_impls = tcx.inherent_impls.borrow_mut();
             match inherent_impls.get().find(&type_id) {
                 None => {
-                    implementation_list = @mut ~[];
+                    implementation_list = @RefCell::new(~[]);
                     inherent_impls.get().insert(type_id, implementation_list);
                 }
                 Some(&existing_implementation_list) => {
                     implementation_list = existing_implementation_list;
                 }
             }
-            implementation_list.push(implementation);
+            {
+                let mut implementation_list =
+                    implementation_list.borrow_mut();
+                implementation_list.get().push(implementation);
+            }
         }
 
         // Store the implementation info.

branches/try2/src/librustc/middle/typeck/check/method.rs

@@ -536,7 +536,8 @@ impl<'a> LookupContext<'a> {
         let inherent_impls = self.tcx().inherent_impls.borrow();
         let opt_impl_infos = inherent_impls.get().find(&did);
         for impl_infos in opt_impl_infos.iter() {
-            for impl_info in impl_infos.iter() {
+            let impl_infos = impl_infos.borrow();
+            for impl_info in impl_infos.get().iter() {
                 let mut inherent_candidates = self.inherent_candidates
                                                   .borrow_mut();
                 self.push_candidates_from_impl(inherent_candidates.get(),

branches/try2/src/librustc/middle/typeck/coherence.rs

@@ -45,6 +45,7 @@ use syntax::codemap::Span;
 use syntax::opt_vec;
 use syntax::visit;
 
+use std::cell::RefCell;
 use std::hashmap::HashSet;
 use std::result::Ok;
 use std::vec;
@@ -391,15 +392,16 @@ impl CoherenceChecker {
         let mut inherent_impls = tcx.inherent_impls.borrow_mut();
         match inherent_impls.get().find(&base_def_id) {
             None => {
-                implementation_list = @mut ~[];
+                implementation_list = @RefCell::new(~[]);
                 inherent_impls.get().insert(base_def_id, implementation_list);
             }
             Some(&existing_implementation_list) => {
                 implementation_list = existing_implementation_list;
             }
         }
 
-        implementation_list.push(implementation);
+        let mut implementation_list = implementation_list.borrow_mut();
+        implementation_list.get().push(implementation);
     }
 
     pub fn add_trait_impl(&self,