---

yaml
---
r: 147537
b: refs/heads/try2
c: 61768de
h: refs/heads/master
i:
  147535: 7de5156
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: d2bcd1462fa515ead889ecc49c70b00513798f43
+refs/heads/try2: 61768de5e9d29125239a2485f508ea0663e8a94f
 refs/heads/dist-snap: ba4081a5a8573875fed17545846f6f6902c8ba8d
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503

branches/try2/src/librustc/lib/llvm.rs

@@ -11,6 +11,7 @@
 #[allow(non_uppercase_pattern_statics)];
 
 use std::c_str::ToCStr;
+use std::cell::RefCell;
 use std::hashmap::HashMap;
 use std::libc::{c_uint, c_ushort, c_void, free};
 use std::str::raw::from_c_str;
@@ -1804,22 +1805,24 @@ pub fn SetFunctionAttribute(Fn: ValueRef, attr: Attribute) {
 /* Memory-managed object interface to type handles. */
 
 pub struct TypeNames {
-    named_types: HashMap<~str, TypeRef>
+    named_types: RefCell<HashMap<~str, TypeRef>>,
 }
 
 impl TypeNames {
     pub fn new() -> TypeNames {
         TypeNames {
-            named_types: HashMap::new()
+            named_types: RefCell::new(HashMap::new())
         }
     }
 
-    pub fn associate_type(&mut self, s: &str, t: &Type) {
-        assert!(self.named_types.insert(s.to_owned(), t.to_ref()));
+    pub fn associate_type(&self, s: &str, t: &Type) {
+        let mut named_types = self.named_types.borrow_mut();
+        assert!(named_types.get().insert(s.to_owned(), t.to_ref()));
     }
 
     pub fn find_type(&self, s: &str) -> Option<Type> {
-        self.named_types.find_equiv(&s).map(|x| Type::from_ref(*x))
+        let named_types = self.named_types.borrow();
+        named_types.get().find_equiv(&s).map(|x| Type::from_ref(*x))
     }
 
     pub fn type_to_str(&self, ty: Type) -> ~str {

branches/try2/src/librustc/middle/trans/context.rs

@@ -147,7 +147,7 @@ impl CrateContext {
             let targ_cfg = sess.targ_cfg;
 
             let td = mk_target_data(sess.targ_cfg.target_strs.data_layout);
-            let mut tn = TypeNames::new();
+            let tn = TypeNames::new();
 
             let mut intrinsics = base::declare_intrinsics(llmod);
             if sess.opts.extra_debuginfo {