lib: define printErr() in script string

This commit moves the printErr() function, used by the tick profiler processer, into the code string passed to vm.runInThisContext(). PR-URL: #19285Fixes: #19260 Reviewed-By: Michaël Zasso <[email protected]> Reviewed-By: Gus Caplan <[email protected]> Reviewed-By: Daniel Bevenius <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Tobias Nießen <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]>

Author: cjihrig

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
-functionprintErr(err){
-console.error(err);
-}
-
 consttickArguments=[];
 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);