[regexp] Port RegExp.prototype.exec to TurboFan

src/compiler/code-assembler.cc

Index: src/compiler/code-assembler.cc
diff --git a/src/compiler/code-assembler.cc b/src/compiler/code-assembler.cc
index 81b4c9d1ffee2e33c1f321d0d594c3d8d612270e..ff7ef31f4a3bbb858d90fedc4e7fc90bc5bb5922 100644
--- a/src/compiler/code-assembler.cc
+++ b/src/compiler/code-assembler.cc
@@ -465,6 +465,14 @@ Node* CodeAssembler::CallStub(Callable const& callable, Node* context,
                   result_size);
 }
 
+Node* CodeAssembler::CallStub(Callable const& callable, Node* context,
+                              Node* arg1, Node* arg2, Node* arg3, Node* arg4,
+                              size_t result_size) {
+  Node* target = HeapConstant(callable.code());
+  return CallStub(callable.descriptor(), target, context, arg1, arg2, arg3,
+                  arg4, result_size);
+}
+
 Node* CodeAssembler::CallStubN(Callable const& callable, Node** args,
                                size_t result_size) {
   Node* target = HeapConstant(callable.code());