[Interpreter] Add support for JS calls.

src/compiler/common-operator.cc

Index: src/compiler/common-operator.cc
diff --git a/src/compiler/common-operator.cc b/src/compiler/common-operator.cc
index bacaae980f918eddf24abbca60e2f16657a6a499..a9d6d02cbc41cf73992746cc8ab57d4dd20b2d0b 100644
--- a/src/compiler/common-operator.cc
+++ b/src/compiler/common-operator.cc
@@ -738,6 +738,29 @@ const Operator* CommonOperatorBuilder::TailCall(
 }
 
 
+const Operator* CommonOperatorBuilder::CallVarArgs(
+    const CallDescriptor* descriptor) {
+  class CallOperator final : public Operator1<const CallDescriptor*> {
+   public:
+    explicit CallOperator(const CallDescriptor* descriptor)
+        : Operator1<const CallDescriptor*>(
+              IrOpcode::kCallVarArgs, descriptor->properties(), "CallVarArgs",
+              descriptor->InputCount() + descriptor->VarArgsInputCount() +
+                  descriptor->FrameStateCount(),
+              Operator::ZeroIfPure(descriptor->properties()),
+              Operator::ZeroIfEliminatable(descriptor->properties()),
+              descriptor->ReturnCount(),
+              Operator::ZeroIfPure(descriptor->properties()),
+              Operator::ZeroIfNoThrow(descriptor->properties()), descriptor) {}
+
+    void PrintParameter(std::ostream& os) const override {
+      os << "[" << *parameter() << "]";
+    }
+  };
+  return new (zone()) CallOperator(descriptor);
+}
+
+
 const Operator* CommonOperatorBuilder::Projection(size_t index) {
   switch (index) {
 #define CACHED_PROJECTION(index) \