chore: test with no node flags

Author: GuillaumeLagrange

packages/core/src/introspection.ts

@@ -7,6 +7,10 @@ export const getV8Flags = () => {
   const nodeVersionMajor = parseInt(process.version.slice(1).split(".")[0]);
   const codspeedRunnerMode = getCodspeedRunnerMode();
 
+  if (codspeedRunnerMode === "walltime") {
+    return [];
+  }
+
   const flags = ["--interpreted-frames-native-stack", "--allow-natives-syntax"];
 
   if (codspeedRunnerMode === "instrumented") {