[turbofan] CodeAssembler is now able to generate calls of JavaScript objects.

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 03718755309dfd73a1bef9e18b7ad08aa7dce0cf..652fdc24503c8d5b1adb1d5a9f0f6ea65b23c863 100644
--- a/src/compiler/code-assembler.h
+++ b/src/compiler/code-assembler.h
@@ -336,6 +336,13 @@ class CodeAssembler {
   Node* TailCallBytecodeDispatch(const CallInterfaceDescriptor& descriptor,
                                  Node* code_target_address, Node** args);
 
+  Node* CallJS(Callable const& callable, Node* context, Node* function,
+               Node* receiver, size_t result_size = 1);
+  Node* CallJS(Callable const& callable, Node* context, Node* function,
+               Node* receiver, Node* arg1, size_t result_size = 1);
+  Node* CallJS(Callable const& callable, Node* context, Node* function,
+               Node* receiver, Node* arg1, Node* arg2, size_t result_size = 1);
+
   // Branching helpers.
   void BranchIf(Node* condition, Label* if_true, Label* if_false);