util: skip type checks in internal getSystemErrorName

Backport-PR-URL: #18916 PR-URL: #18546 Reviewed-By: James M Snell <[email protected]>

Author: joyeecheung

lib/internal/util.js

@@ -208,11 +208,6 @@ function getConstructorOf(obj){
 }
 
 functiongetSystemErrorName(err){
-if(typeoferr!=='number'||err>=0||!Number.isSafeInteger(err)){
-thrownewerrors.TypeError('ERR_INVALID_ARG_TYPE','err',
-'negative number');
-}
-
 constentry=errmap.get(err);
 returnentry ? entry[0] : `Unknown system error ${err}`;
 }

lib/util.js

@@ -54,7 +54,7 @@ const{
  customInspectSymbol,
  deprecate,
  getConstructorOf,
- getSystemErrorName,
+getSystemErrorName: internalErrorName,
  isError,
  promisify,
  join,
@@ -1071,6 +1071,14 @@ function callbackify(original){
 returncallbackified;
 }
 
+functiongetSystemErrorName(err){
+if(typeoferr!=='number'||err>=0||!Number.isSafeInteger(err)){
+thrownewerrors.TypeError('ERR_INVALID_ARG_TYPE','err',
+'negative number');
+}
+returninternalErrorName(err);
+}
+
 // Keep the `exports =` so that various functions can still be monkeypatched
 module.exports=exports={
  _errnoException,