[turbofan] update SpillRange to use ZoneVector

src/compiler/graph-visualizer.cc

Index: src/compiler/graph-visualizer.cc
diff --git a/src/compiler/graph-visualizer.cc b/src/compiler/graph-visualizer.cc
index 81ed99efd4d40fb995dacaa6c9010cb57fd49bf1..e018c7ac198a65bb0389b5e83b9d537562d18491 100644
--- a/src/compiler/graph-visualizer.cc
+++ b/src/compiler/graph-visualizer.cc
@@ -725,9 +725,8 @@ void GraphC1Visualizer::PrintLiveRange(LiveRange* range, const char* type) {
       }
     } else if (range->IsSpilled()) {
       int index = -1;
-      if (range->TopLevel()->GetSpillRange() != nullptr &&
-          range->TopLevel()->GetSpillRange()->id() != -1) {
-        index = range->TopLevel()->GetSpillRange()->id();
+      if (range->TopLevel()->HasSpillRange()) {
+        index = kMaxInt;  // This hasn't been set yet.
       } else {
         index = range->TopLevel()->GetSpillOperand()->index();
       }