async arrow function IIFE fix (#2184)

fixes #2183
2017-06-29 22:12:42 -04:00
parent 07a5a57336
commit a938fe5e1f
3 changed files with 30 additions and 6 deletions
--- a/lib/output.js
+++ b/lib/output.js
@@ -1045,11 +1045,11 @@ function OutputStream(options) {
        var needs_parens = parent instanceof AST_Binary ||
            parent instanceof AST_Unary ||
            (parent instanceof AST_Call && self === parent.expression);
+        if (needs_parens) { output.print("(") }
        if (self.async) {
            output.print("async");
            output.space();
        }
-        if (needs_parens) { output.print("(") }
        if (self.argnames.length === 1 && self.argnames[0] instanceof AST_Symbol) {
            self.argnames[0].print(output);
        } else {