[turbofan] compute arguments length in deoptimizer

src/compiler/code-generator.cc

Index: src/compiler/code-generator.cc
diff --git a/src/compiler/code-generator.cc b/src/compiler/code-generator.cc
index ebf0ed4933faadafc4c6d430ad17e80c35c1b9e3..68d664f07b98abb7bf4317b2c565addecd3b6fbe 100644
--- a/src/compiler/code-generator.cc
+++ b/src/compiler/code-generator.cc
@@ -702,6 +702,10 @@ void CodeGenerator::TranslateStateValueDescriptor(
     if (translation != nullptr) {
       translation->ArgumentsElements(desc->is_rest());
     }
+  } else if (desc->IsArgumentsLength()) {
+    if (translation != nullptr) {
+      translation->ArgumentsLength(desc->is_rest());
+    }
   } else if (desc->IsDuplicate()) {
     if (translation != nullptr) {
       translation->DuplicateObject(static_cast<int>(desc->id()));