[es6] Perform the IsConstructor test in GetSuperConstructor.

test/unittests/interpreter/bytecode-array-builder-unittest.cc

 // Copyright 2014 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/interpreter/bytecode-array-builder.h"
 #include "src/interpreter/bytecode-array-iterator.h"
 #include "src/interpreter/bytecode-label.h"
 #include "src/interpreter/bytecode-register-allocator.h"
@@ skipping 195 matching lines @@
       .LoadUndefined()
       .CompareOperation(Token::Value::EQ_STRICT, reg, 1)
       .LoadNull()
       .CompareOperation(Token::Value::EQ_STRICT, reg, 1);
 
   // Emit conversion operator invocations.
   builder.ConvertAccumulatorToNumber(reg)
       .ConvertAccumulatorToObject(reg)
       .ConvertAccumulatorToName(reg);
 
+  // Emit GetSuperConstructor.
+  builder.GetSuperConstructor(reg);
+
   // Short jumps with Imm8 operands
   {
     BytecodeLabel start, after_jump1, after_jump2, after_jump3, after_jump4,
         after_jump5;
     builder.Bind(&start)
         .Jump(&after_jump1)
         .Bind(&after_jump1)
         .JumpIfNull(&after_jump2)
         .Bind(&after_jump2)
         .JumpIfUndefined(&after_jump3)
@@ skipping 528 matching lines @@
     iterator.Advance();
   }
   CHECK_EQ(iterator.current_bytecode(), Bytecode::kReturn);
   iterator.Advance();
   CHECK(iterator.done());
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8