Move desugaring of super calls with trailing spread to one runtime call.

test/cctest/interpreter/test-bytecode-generator.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <fstream>
 
 #include "src/v8.h"
 
 #include "src/interpreter/bytecode-array-iterator.h"
 #include "src/interpreter/bytecode-generator.h"
@@ skipping 2228 matching lines @@
       "export * from \"bar\"\n",
 
       "import * as foo from \"bar\"\n"
       "foo.f(foo, foo.x);\n",
   };
 
   CHECK(CompareTexts(BuildActual(printer, snippets),
                      LoadGolden("Modules.golden")));
 }
 
+TEST(SuperCallAndSpread) {
+  InitializedIgnitionHandleScope scope;
+  BytecodeExpectationsPrinter printer(CcTest::isolate());
+  printer.set_wrap(false);
+  printer.set_test_function_name("test");
+  const char* snippets[] = {
+      "var test;\n"
+      "(function() {\n"
+      "  class A {\n"
+      "    constructor(...args) { this.baseArgs = args; }\n"
+      "  }\n"
+      "  class B extends A {}\n"
+      "  test = new B(1, 2, 3).constructor;\n"
+      "})();\n",
+
+      "var test;\n"
+      "(function() {\n"
+      "  class A {\n"
+      "    constructor(...args) { this.baseArgs = args; }\n"
+      "  }\n"
+      "  class B extends A {\n"
+      "    constructor(...args) { super(1, ...args); }\n"
+      "  }\n"
+      "  test = new B(1, 2, 3).constructor;\n"
+      "})();\n",
+
+      "var test;\n"
+      "(function() {\n"
+      "  class A {\n"
+      "    constructor(...args) { this.baseArgs = args; }\n"
+      "  }\n"
+      "  class B extends A {\n"
+      "    constructor(...args) { super(1, ...args, 1); }\n"
+      "  }\n"
+      "  test = new B(1, 2, 3).constructor;\n"
+      "})();\n",
+  };
+
+  CHECK(CompareTexts(BuildActual(printer, snippets),
+                     LoadGolden("SuperCallAndSpread.golden")));
+}
+
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8