fix corner case in global_defs (#3218)

fixes #3217
2018-07-19 18:14:36 +08:00
parent cea685f8d9
commit 7cf72b8d66
3 changed files with 53 additions and 47 deletions
--- a/lib/output.js
+++ b/lib/output.js
@@ -1161,7 +1161,7 @@ function OutputStream(options) {
            def.print(output);
        });
        var p = output.parent();
-        if (p.init !== self || !(p instanceof AST_For || p instanceof AST_ForIn)) output.semicolon();
+        if (p && p.init !== self || !(p instanceof AST_For || p instanceof AST_ForIn)) output.semicolon();
    });

    function parenthesize_for_noin(node, output, noin) {