From 1d2bd858fd7479bc672bc0e1be77f30c63f85b0c Mon Sep 17 00:00:00 2001
From: Bruce Hill <bruce@bruce-hill.com>
Date: Tue, 8 Jan 2019 16:35:32 -0800
Subject: Made the source mapping optional (and disabled with -O2+)

---
 error_handling.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'error_handling.lua')

diff --git a/error_handling.lua b/error_handling.lua
index ba3389a..76b4390 100644
--- a/error_handling.lua
+++ b/error_handling.lua
@@ -103,7 +103,7 @@ print_error = function(error_message, start_fn, stop_fn)
       end
       local line = nil
       do
-        local map = SOURCE_MAP[calling_fn.source]
+        local map = SOURCE_MAP and SOURCE_MAP[calling_fn.source]
         if map then
           if calling_fn.currentline then
             calling_fn.currentline = assert(map[calling_fn.currentline])
-- 
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