nodejs
diff --git a/Collapse file
‎src/crypto/crypto_util.h‎
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+3-2Lines changed: 3 additions & 2 deletions b/Collapse file
‎src/crypto/crypto_util.h‎
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+3-2Lines changed: 3 additions & 2 deletions
diff --git a/Collapse file
‎src/env.cc‎
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+2-5Lines changed: 2 additions & 5 deletions b/Collapse file
‎src/env.cc‎
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+2-5Lines changed: 2 additions & 5 deletions
diff --git a/Collapse file
‎src/env.h‎
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+10-1Lines changed: 10 additions & 1 deletion b/Collapse file
‎src/env.h‎
Copy file name to clipboardExpand all lines: src/env.h
+10-1Lines changed: 10 additions & 1 deletion
@@ -547,7 +547,8 @@ void ThrowCryptoError(Environment* env,
 
 class CipherPushContext {
  public:
-  inline explicit CipherPushContext(Environment* env) : env_(env) {}
+  inline explicit CipherPushContext(Environment* env)
+      : list_(env->isolate()), env_(env) {}
 
   inline void push_back(const char* str) {
     list_.emplace_back(OneByteString(env_->isolate(), str));
@@ -558,7 +559,7 @@ class CipherPushContext {
   }
 
  private:
-  std::vector<v8::Local<v8::Value>> list_;
+  v8::LocalVector<v8::Value> list_;
   Environment* env_;
 };
 
 
@@ -176,11 +176,7 @@ bool AsyncHooks::pop_async_context(double async_id) {
     }
 #endif
     native_execution_async_resources_.resize(offset);
-    if (native_execution_async_resources_.size() <
-            native_execution_async_resources_.capacity() / 2 &&
-        native_execution_async_resources_.size() > 16) {
-      native_execution_async_resources_.shrink_to_fit();
-    }
+    native_execution_async_resources_.shrink_to_fit();
   }
 
   if (js_execution_async_resources()->Length() > offset) [[unlikely]] {
@@ -1694,6 +1690,7 @@ AsyncHooks::AsyncHooks(Isolate* isolate, const SerializeInfo* info)
       fields_(isolate, kFieldsCount, MAYBE_FIELD_PTR(info, fields)),
       async_id_fields_(
           isolate, kUidFieldsCount, MAYBE_FIELD_PTR(info, async_id_fields)),
+      native_execution_async_resources_(isolate),
       info_(info) {
   HandleScope handle_scope(isolate);
   if (info == nullptr) {
 
@@ -401,7 +401,16 @@ class AsyncHooks : public MemoryRetainer {
   void grow_async_ids_stack();
 
   v8::Global<v8::Array> js_execution_async_resources_;
-  std::vector<v8::Local<v8::Object>> native_execution_async_resources_;
+
+  // TODO(@jasnell): Note that this is technically illegal use of
+  // v8::Locals which should be kept on the stack. Here, the entries
+  // in this object grows and shrinks with the C stack, and entries
+  // will be in the right handle scopes, but v8::Locals are supposed
+  // to remain on the stack and not the heap. For general purposes
+  // this *should* be ok but may need to be looked at further should
+  // v8 become stricter in the future about v8::Locals being held in
+  // the stack.
+  v8::LocalVector<v8::Object> native_execution_async_resources_;
 
   // Non-empty during deserialization
   const SerializeInfo* info_ = nullptr;