fix regression from 5346fb94 (shouldn't parenthesize i++ in x[i++])

diff --git a/lib/output.js b/lib/output.js
index 321c722..ad4690d 100644 (file)
--- a/lib/output.js
+++ b/lib/output.js
@@ -412,7 +412,7 @@ function OutputStream(options) {
 
     PARENS(AST_Unary, function(output){
         var p = output.parent();
-        return p instanceof AST_PropAccess;
+        return p instanceof AST_PropAccess && p.expression === this;
     });
 
     PARENS(AST_Seq, function(output){