[interpreter] Support for ES6 super keyword.

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 "src/v8.h"
 
 #include "src/compiler.h"
 #include "src/interpreter/bytecode-array-iterator.h"
 #include "src/interpreter/bytecode-generator.h"
 #include "src/interpreter/interpreter.h"
@@ skipping 5030 matching lines @@
            B(New), R(0), R(0), U8(0),                               //
            B(Return),                                               //
        },
        1,
        {InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE}},
       {"function bar(x) { this.value = 18; this.x = x;}\n"
        "function f() { return new bar(3); }\n"
        "f()",
        2 * kPointerSize,
        1,
-       15,
+       17,
        {
            B(StackCheck),                                           //
            B(LdaGlobalSloppy), U8(0), U8(vector->GetIndex(slot2)),  //
            B(Star), R(0),                                           //
            B(LdaSmi8), U8(3),                                       //
            B(Star), R(1),                                           //
+           B(Ldar), R(0),                                           //
            B(New), R(0), R(1), U8(1),                               //
            B(Return),                                               //
        },
        1,
        {InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE}},
       {"function bar(w, x, y, z) {\n"
        "  this.value = 18;\n"
        "  this.x = x;\n"
        "  this.y = y;\n"
        "  this.z = z;\n"
        "}\n"
        "function f() { return new bar(3, 4, 5); }\n"
        "f()",
        4 * kPointerSize,
        1,
-       23,
+       25,
        {
            B(StackCheck),                                           //
            B(LdaGlobalSloppy), U8(0), U8(vector->GetIndex(slot2)),  //
            B(Star), R(0),                                           //
            B(LdaSmi8), U8(3),                                       //
            B(Star), R(1),                                           //
            B(LdaSmi8), U8(4),                                       //
            B(Star), R(2),                                           //
            B(LdaSmi8), U8(5),                                       //
            B(Star), R(3),                                           //
+           B(Ldar), R(0),                                           //
            B(New), R(0), R(1), U8(3),                               //
            B(Return),                                               //
        },
        1,
        {InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE}},
   };
   // clang-format on
 
   for (size_t i = 0; i < arraysize(snippets); i++) {
     Handle<BytecodeArray> bytecode_array =
@@ skipping 4134 matching lines @@
   for (size_t i = 0; i < arraysize(snippets); i++) {
     Handle<BytecodeArray> bytecode_array =
         helper.MakeBytecodeForFunctionBody(snippets[i].code_snippet);
     CheckBytecodeArrayEqual(snippets[i], bytecode_array);
   }
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8