From 0f498e0aec23a2e638fa81b4e354627fd3656385 Mon Sep 17 00:00:00 2001
From: Gilbert <gilbertbgarza@gmail.com>
Date: Thu, 17 May 2018 00:05:54 -0500
Subject: [PATCH] Fix stack trace edge case

---
 ospec/ospec.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ospec/ospec.js b/ospec/ospec.js
index 526a088e..8c55b39a 100644
--- a/ospec/ospec.js
+++ b/ospec/ospec.js
@@ -72,7 +72,7 @@ else window.o = m()
 		}
 		if (ospecFileName == null) return stack.join("\n")
 		// skip ospec-related entries on the stack
-		while (stack[i].indexOf(ospecFileName) !== -1) i++
+		while (stack[i] && stack[i].indexOf(ospecFileName) !== -1) i++
 		// now we're in user code
 		return stack[i]
 	}