[regexp] Port RegExp.prototype.exec to TurboFan

src/compiler/code-assembler.h

Index: src/compiler/code-assembler.h
diff --git a/src/compiler/code-assembler.h b/src/compiler/code-assembler.h
index 855483e5c57b24b19d47b9d69807410bee68f645..83723345952e72e8cf74812c2c8fd99954bdd293 100644
--- a/src/compiler/code-assembler.h
+++ b/src/compiler/code-assembler.h
@@ -348,6 +348,8 @@ class CodeAssembler {
                  Node* arg2, size_t result_size = 1);
   Node* CallStub(Callable const& callable, Node* context, Node* arg1,
                  Node* arg2, Node* arg3, size_t result_size = 1);
+  Node* CallStub(Callable const& callable, Node* context, Node* arg1,
+                 Node* arg2, Node* arg3, Node* arg4, size_t result_size = 1);
   Node* CallStubN(Callable const& callable, Node** args,
                   size_t result_size = 1);