From 2ae98ce7cb95dee79e839afb2ee4c7d77d7670cd Mon Sep 17 00:00:00 2001
From: cjihrig <cjihrig@gmail.com>
Date: Sun, 11 Mar 2018 10:33:42 -0400
Subject: [PATCH] lib: define printErr() in script string
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This commit moves the printErr() function, used by the
tick profiler processer, into the code string passed to
vm.runInThisContext().

PR-URL: https://github.com/nodejs/node/pull/19285
Fixes: https://github.com/nodejs/node/issues/19260
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
---
 lib/internal/v8_prof_processor.js | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/lib/internal/v8_prof_processor.js b/lib/internal/v8_prof_processor.js
index 7592253060294c..4799a88f69ca54 100644
--- a/lib/internal/v8_prof_processor.js
+++ b/lib/internal/v8_prof_processor.js
@@ -21,11 +21,6 @@ scriptFiles.forEach(function(s) {
   script += process.binding('natives')[s] + '\n';
 });
 
-// eslint-disable-next-line no-unused-vars
-function printErr(err) {
-  console.error(err);
-}
-
 const tickArguments = [];
 if (process.platform === 'darwin') {
   tickArguments.push('--mac');
@@ -36,6 +31,7 @@ tickArguments.push.apply(tickArguments, process.argv.slice(1));
 script = `(function(module, require) {
   arguments = ${JSON.stringify(tickArguments)};
   function write (s) { process.stdout.write(s) }
+  function printErr(err) { console.error(err); }
   ${script}
 })`;
 vm.runInThisContext(script)(module, require);