Give the SupportedMachineOperatorFlags to GraphAndBuilders to allow the use of optional operators i…

test/cctest/compiler/graph-builder-tester.h

Index: test/cctest/compiler/graph-builder-tester.h
diff --git a/test/cctest/compiler/graph-builder-tester.h b/test/cctest/compiler/graph-builder-tester.h
index 077b71f17b7c85d405cbc395d1ddbaf5890cb73a..e0c59420c29c78855b675ffd5e9904ef02c3a081 100644
--- a/test/cctest/compiler/graph-builder-tester.h
+++ b/test/cctest/compiler/graph-builder-tester.h
@@ -9,6 +9,7 @@
 #include "test/cctest/cctest.h"
 
 #include "src/compiler/common-operator.h"
+#include "src/compiler/instruction-selector.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/machine-operator.h"
 #include "src/compiler/operator-properties.h"
@@ -25,7 +26,8 @@ class GraphAndBuilders {
   explicit GraphAndBuilders(Zone* zone)
       : main_graph_(new (zone) Graph(zone)),
         main_common_(zone),
-        main_machine_(zone),
+        main_machine_(zone, kMachPtr,
+                      InstructionSelector::SupportedMachineOperatorFlags()),
         main_simplified_(zone) {}
 
   Graph* graph() const { return main_graph_; }