suppress inline of this (#2103)

fixes #2101
2017-06-15 12:14:16 +08:00
parent 43697958f3
commit b85a358deb
2 changed files with 55 additions and 1 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -3209,10 +3209,15 @@ merge(Compressor.prototype, {
                        if (!value) return make_node(AST_Undefined, self);
                        value.walk(new TreeWalker(function(node) {
                            if (value === self) return true;
-                            if (node instanceof AST_SymbolRef && exp.variables.has(node.name)) {
+                            if (node instanceof AST_SymbolRef && matches(node.scope.find_variable(node))
+                                || node instanceof AST_This && matches(node)) {
                                value = self;
                                return true;
                            }
+
+                            function matches(ref) {
+                                return ref && ref.scope.parent_scope === fn.parent_scope;
+                            }
                        }));
                        if (value !== self) value = best_of(compressor, value, self);
                    } else {