From b4e8f0de1285198d2a399c784cde20234425153b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C3=ABl=20Zasso?= <targos@protonmail.com>
Date: Wed, 28 Aug 2019 10:05:32 +0200
Subject: [PATCH] assert: fix line number calculation after V8 upgrade
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Backport-PR-URL: https://github.com/nodejs/node/pull/30109
PR-URL: https://github.com/nodejs/node/pull/29694
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Ujjwal Sharma <usharma1998@gmail.com>
---
 lib/assert.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/assert.js b/lib/assert.js
index 3396e643182f1b..d4068fc96831c1 100644
--- a/lib/assert.js
+++ b/lib/assert.js
@@ -268,7 +268,7 @@ function getErrMessage(message, fn) {
   const call = err.stack[0];
 
   const filename = call.getFileName();
-  const line = call.getLineNumber() - 1;
+  let line = call.getLineNumber() - 1;
   let column = call.getColumnNumber() - 1;
   let identifier;
   let code;
@@ -288,6 +288,9 @@ function getErrMessage(message, fn) {
       return message;
     }
     code = String(fn);
+    // For functions created with the Function constructor, V8 does not count
+    // the lines containing the function header.
+    line += 2;
     identifier = `${code}${line}${column}`;
   }