src: avoid common case heap allocation

Optimize three functions that pass on (part of) their JS arguments to
the JS function they call by stack-allocating the storage in the common
case.

PR-URL: https://github.com/nodejs/node/pull/21409
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Eugene Ostroukhov <eostroukhov@google.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Minwoo Jung <minwoo@nodesource.com>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>

1 files changed, 1 insertions, 6 deletions

diff --git a/src/node_perf.cc b/src/node_perf.cc
index 521492e589..900fbb4c9d 100644
--- a/src/node_perf.cc
+++ b/src/node_perf.cc
@@ -1,8 +1,6 @@
 #include "node_internals.h"
 #include "node_perf.h"
 
-#include <vector>
-
 #ifdef __POSIX__
 #include <sys/time.h>  // gettimeofday
 #endif
@@ -309,10 +307,7 @@ void TimerFunctionCall(const FunctionCallbackInfo<Value>& args) {
   Local<Function> fn = args.Data().As<Function>();
   size_t count = args.Length();
   size_t idx;
-  std::vector<Local<Value>> call_args;
-  for (size_t i = 0; i < count; ++i)
-    call_args.push_back(args[i]);
-
+  SlicedArguments call_args(args);
   Utf8Value name(isolate, GetName(fn));
 
   uint64_t start;