1 files changed, 7 insertions, 10 deletions

diff --git a/lib/compress.js b/lib/compress.js
index 7c2077b7..9420d8d2 100644
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -460,7 +460,7 @@ merge(Compressor.prototype, {
             return def.fixed instanceof AST_Defun;
         }
 
-        function safe_to_assign(tw, def, scope, value) {
+        function safe_to_assign(tw, def, value) {
             if (def.fixed === undefined) return true;
             if (def.fixed === null && def.safe_ids) {
                 def.safe_ids[def.id] = false;
@@ -471,11 +471,8 @@ merge(Compressor.prototype, {
             if (!safe_to_read(tw, def)) return false;
             if (def.fixed === false) return false;
             if (def.fixed != null && (!value || def.references.length > def.assignments)) return false;
-            if (def.fixed instanceof AST_Defun) {
-                return value instanceof AST_Node && def.fixed.parent_scope === scope;
-            }
             return all(def.orig, function(sym) {
-                return !(sym instanceof AST_SymbolDefun || sym instanceof AST_SymbolLambda);
+                return !(sym instanceof AST_SymbolLambda);
             });
         }
 
@@ -557,7 +554,7 @@ merge(Compressor.prototype, {
             }
             if (sym.fixed) delete sym.fixed;
             var d = sym.definition();
-            var safe = safe_to_assign(tw, d, sym.scope, node.right);
+            var safe = safe_to_assign(tw, d, node.right);
             d.assignments++;
             var fixed = d.fixed;
             if (!fixed && node.operator != "=") return;
@@ -820,7 +817,7 @@ merge(Compressor.prototype, {
             }
             if (exp.fixed) delete exp.fixed;
             var d = exp.definition();
-            var safe = safe_to_assign(tw, d, exp.scope, true);
+            var safe = safe_to_assign(tw, d, true);
             d.assignments++;
             var fixed = d.fixed;
             if (!fixed) return;
@@ -846,7 +843,7 @@ merge(Compressor.prototype, {
             var node = this;
             var d = node.name.definition();
             if (node.value) {
-                if (safe_to_assign(tw, d, node.name.scope, node.value)) {
+                if (safe_to_assign(tw, d, node.value)) {
                     d.fixed = function() {
                         return node.value;
                     };
@@ -3195,7 +3192,7 @@ merge(Compressor.prototype, {
         def(AST_Statement, function() {
             throw new Error(string_template("Cannot evaluate a statement [{file}:{line},{col}]", this.start));
         });
-        def(AST_Lambda, return_this);
+        def(AST_Accessor, return_this);
         def(AST_Node, return_this);
         def(AST_Constant, function() {
             return this.value;
@@ -3213,7 +3210,7 @@ merge(Compressor.prototype, {
             var value = node._eval(compressor, ignore_side_effects, cached, depth);
             return value === node ? this : value;
         });
-        def(AST_Function, function(compressor) {
+        def(AST_Lambda, function(compressor) {
             if (compressor.option("unsafe")) {
                 var fn = function() {};
                 fn.node = this;