1 files changed, 11 insertions, 0 deletions
diff --git a/deps/v8/src/compiler/linkage.cc b/deps/v8/src/compiler/linkage.cc
index 0dc28e0f77..6a7bdd90ab 100644
--- a/deps/v8/src/compiler/linkage.cc
+++ b/deps/v8/src/compiler/linkage.cc
@@ -119,6 +119,17 @@ int CallDescriptor::GetStackParameterDelta(
   return stack_param_delta;
 }
 
+int CallDescriptor::GetTaggedParameterSlots() const {
+  int result = 0;
+  for (size_t i = 0; i < InputCount(); ++i) {
+    LinkageLocation operand = GetInputLocation(i);
+    if (!operand.IsRegister() && operand.GetType().IsTagged()) {
+      ++result;
+    }
+  }
+  return result;
+}
+
 bool CallDescriptor::CanTailCall(const Node* node) const {
   return HasSameReturnLocationsAs(CallDescriptorOf(node->op()));
 }