extend hoist_props to AST_Arrow & AST_Class (#2527)

fixes #2503
2017-11-28 22:54:44 +08:00
parent 62d2817d6c
commit 755e2a62c6
2 changed files with 32 additions and 10 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -635,6 +635,8 @@ merge(Compressor.prototype, {
                || !immutable
                    && parent instanceof AST_Call
                    && parent.expression === node
+                    && !(value instanceof AST_Arrow)
+                    && !(value instanceof AST_Class)
                    && (!(value instanceof AST_Function)
                        || !(parent instanceof AST_New) && value.contains_this())) {
                return true;