[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 fdb2b5819de54ce896f702bb7868de100fcfcf3a..d4baeaabdceb0e149cd49655d3a80f9003dc3357 100644
--- a/src/compiler/bytecode-graph-builder.cc
+++ b/src/compiler/bytecode-graph-builder.cc
@@ -1626,6 +1626,13 @@ 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 =