fix corner case in hoist_props (#3022)

fixes #3021
2018-03-23 07:27:35 +08:00
parent 49bfc6b555
commit 12985d86c2
2 changed files with 32 additions and 1 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -3624,8 +3624,9 @@ merge(Compressor.prototype, {
                var sym = node.name, def, value;
                if (sym.scope === self
                    && (def = sym.definition()).escaped != 1
-                    && !def.single_use
+                    && !def.assignments
                    && !def.direct_access
+                    && !def.single_use
                    && !top_retain(def)
                    && (value = sym.fixed_value()) === node.value
                    && value instanceof AST_Object) {