[es6] Perform the IsConstructor test in GetSuperConstructor.

src/compiler/bytecode-graph-builder.cc

Index: src/compiler/bytecode-graph-builder.cc
diff --git a/src/compiler/bytecode-graph-builder.cc b/src/compiler/bytecode-graph-builder.cc
index 12a5d29d21770df1c39b691df66c3654c3f27946..6559c1106f0871db7ef42e5d2b701f494d313e5f 100644
--- a/src/compiler/bytecode-graph-builder.cc
+++ b/src/compiler/bytecode-graph-builder.cc
@@ -1613,6 +1613,13 @@ void BytecodeGraphBuilder::VisitDeletePropertySloppy() {
   BuildDelete(LanguageMode::SLOPPY);
 }
 
+void BytecodeGraphBuilder::VisitGetSuperConstructor() {
+  Node* node = NewNode(javascript()->GetSuperConstructor(),
+                       environment()->LookupAccumulator());
+  environment()->BindRegister(bytecode_iterator().GetRegisterOperand(0), node,
+                              Environment::kAttachFrameState);
+}
+
 void BytecodeGraphBuilder::BuildCompareOp(const Operator* js_op) {
   PrepareEagerCheckpoint();
   Node* left =