[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 d7bdbb33725b20c13e7acdfa1798c9ddb4c8ca02..0b5d4d822f8f29ff72dbf6994b38c90821ee0979 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,