[stubs]: Convert FastNewContext stub to turbofan

src/full-codegen/x87/full-codegen-x87.cc

Index: src/full-codegen/x87/full-codegen-x87.cc
diff --git a/src/full-codegen/x87/full-codegen-x87.cc b/src/full-codegen/x87/full-codegen-x87.cc
index aa5b2bcba136fa1ef8c4ccf3b02fe1670d5984ae..cde26e81bb55605ded824fdf6675bb5717e5f7bd 100644
--- a/src/full-codegen/x87/full-codegen-x87.cc
+++ b/src/full-codegen/x87/full-codegen-x87.cc
@@ -176,10 +176,10 @@ void FullCodeGenerator::Generate() {
       if (info->scope()->new_target_var() != nullptr) {
         __ push(edx);  // Preserve new target.
       }
-      if (slots <= FastNewContextStub::kMaximumSlots) {
-        FastNewContextStub stub(isolate(), slots);
+      if (slots <= FastNewFunctionContextStub::kMaximumSlots) {
+        FastNewFunctionContextStub stub(isolate(), slots);
         __ CallStub(&stub);
-        // Result of FastNewContextStub is always in new space.
+        // Result of FastNewFunctionContextStub is always in new space.
         need_write_barrier = false;
       } else {
         __ push(edi);