[turbofan] Bailout for call sites w/o feedback.

src/compiler/js-call-reducer.cc

Index: src/compiler/js-call-reducer.cc
diff --git a/src/compiler/js-call-reducer.cc b/src/compiler/js-call-reducer.cc
index dcce497447cc504c1dc7d7803dd3528da9fcf53e..dd8f0643dd2ee0d66d73bca297319de991242362 100644
--- a/src/compiler/js-call-reducer.cc
+++ b/src/compiler/js-call-reducer.cc
@@ -281,6 +281,20 @@ Reduction JSCallReducer::ReduceJSCallFunction(Node* node) {
   // Extract feedback from the {node} using the CallICNexus.
   if (!p.feedback().IsValid()) return NoChange();
   CallICNexus nexus(p.feedback().vector(), p.feedback().slot());
+  if (nexus.IsUninitialized() && (flags() & kBailoutOnUninitialized)) {
+    Node* frame_state = NodeProperties::FindFrameStateBefore(node);
+    Node* deoptimize = graph()->NewNode(
+        common()->Deoptimize(
+            DeoptimizeKind::kSoft,
+            DeoptimizeReason::kInsufficientTypeFeedbackForCall),
+        frame_state, effect, control);
+    // TODO(bmeurer): This should be on the AdvancedReducer somehow.
+    NodeProperties::MergeControlToEnd(graph(), common(), deoptimize);
+    Revisit(graph()->end());
+    node->TrimInputCount(0);
+    NodeProperties::ChangeOp(node, common()->Dead());
+    return Changed(node);
+  }
   Handle<Object> feedback(nexus.GetFeedback(), isolate());
   if (feedback->IsAllocationSite()) {
     // Retrieve the Array function from the {node}.