[turbolizer] Show operator properties and arity in tooltip.

src/compiler/operator.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/operator.h"
 
 #include <limits>
 
 namespace v8 {
 namespace internal {
@@ skipping 30 matching lines @@
 
 std::ostream& operator<<(std::ostream& os, const Operator& op) {
   op.PrintTo(os);
   return os;
 }
 
 void Operator::PrintToImpl(std::ostream& os, PrintVerbosity verbose) const {
   os << mnemonic();
 }
 
+void Operator::PrintPropsTo(std::ostream& os) const {
+  std::string separator = "";
+
+#define PRINT_PROP_IF_SET(name)         \
+  if (HasProperty(Operator::k##name)) { \
+    os << separator;                    \
+    os << #name;                        \
+    separator = ", ";                   \
+  }
+  OPERATOR_PROPERTY_LIST(PRINT_PROP_IF_SET)
+#undef PRINT_PROP_IF_SET
+}
+
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8