use node_id for indexing in ast_to_ty_cache

Author: jbclements

src/librustc/middle/ty.rs

@@ -262,7 +262,7 @@ struct ctxt_ {
     needs_drop_cache: HashMap<t, bool>,
     needs_unwind_cleanup_cache: HashMap<t, bool>,
     mut tc_cache: LinearMap<uint, TypeContents>,
-    ast_ty_to_ty_cache: HashMap<@ast::Ty, ast_ty_to_ty_cache_entry>,
+    ast_ty_to_ty_cache: HashMap<node_id, ast_ty_to_ty_cache_entry>,
     enum_var_cache: HashMap<def_id, @~[VariantInfo]>,
     trait_method_cache: HashMap<def_id, @~[method]>,
     ty_param_bounds: HashMap<ast::node_id, param_bounds>,

src/librustc/middle/typeck/astconv.rs

@@ -277,7 +277,7 @@ pub fn ast_ty_to_ty<AC: AstConv, RS: region_scope Copy Durable>(
 
     let tcx = self.tcx();
 
-    match tcx.ast_ty_to_ty_cache.find(&ast_ty) {
+    match tcx.ast_ty_to_ty_cache.find(&ast_ty.id) {
       Some(ty::atttce_resolved(ty)) => return ty,
       Some(ty::atttce_unresolved) => {
         tcx.sess.span_fatal(ast_ty.span, ~"illegal recursive type; \
@@ -287,7 +287,7 @@ pub fn ast_ty_to_ty<AC: AstConv, RS: region_scope Copy Durable>(
       None => { /* go on */ }
     }
 
-    tcx.ast_ty_to_ty_cache.insert(ast_ty, ty::atttce_unresolved);
+    tcx.ast_ty_to_ty_cache.insert(ast_ty.id, ty::atttce_unresolved);
     let typ = match /*bad*/copy ast_ty.node {
       ast::ty_nil => ty::mk_nil(tcx),
       ast::ty_bot => ty::mk_bot(tcx),
@@ -409,7 +409,7 @@ pub fn ast_ty_to_ty<AC: AstConv, RS: region_scope Copy Durable>(
       }
     };
 
-    tcx.ast_ty_to_ty_cache.insert(ast_ty, ty::atttce_resolved(typ));
+    tcx.ast_ty_to_ty_cache.insert(ast_ty.id, ty::atttce_resolved(typ));
     return typ;
 }