[es6] Perform the IsConstructor test in GetSuperConstructor.

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

Index: test/unittests/interpreter/bytecode-array-builder-unittest.cc
diff --git a/test/unittests/interpreter/bytecode-array-builder-unittest.cc b/test/unittests/interpreter/bytecode-array-builder-unittest.cc
index 873d75b90b5a2f8deb9931cddd73e8c284e03b9f..b42d7e1a25f8422cadeff4bc6193234b09ebdb4a 100644
--- a/test/unittests/interpreter/bytecode-array-builder-unittest.cc
+++ b/test/unittests/interpreter/bytecode-array-builder-unittest.cc
@@ -207,6 +207,9 @@ TEST_F(BytecodeArrayBuilderTest, AllBytecodesGenerated) {
       .ConvertAccumulatorToObject(reg)
       .ConvertAccumulatorToName(reg);
 
+  // Emit GetSuperConstructor.
+  builder.GetSuperConstructor(reg);
+
   // Short jumps with Imm8 operands
   {
     BytecodeLabel start, after_jump1, after_jump2, after_jump3, after_jump4;