[turbofan] Consume SignedSmall feedback for number operations.

src/compiler/effect-control-linearizer.cc

Index: src/compiler/effect-control-linearizer.cc
diff --git a/src/compiler/effect-control-linearizer.cc b/src/compiler/effect-control-linearizer.cc
index d625a753ad203060b30ec196338f530175f5c6ec..3fcaa5dd95c0e5327cf234154cbda145981b5275 100644
--- a/src/compiler/effect-control-linearizer.cc
+++ b/src/compiler/effect-control-linearizer.cc
@@ -667,6 +667,10 @@ bool EffectControlLinearizer::TryWireInStateEffect(Node* node,
     case IrOpcode::kCheckedFloat64ToInt32:
       state = LowerCheckedFloat64ToInt32(node, frame_state, *effect, *control);
       break;
+    case IrOpcode::kCheckedTaggedSignedToInt32:
+      state =
+          LowerCheckedTaggedSignedToInt32(node, frame_state, *effect, *control);
+      break;
     case IrOpcode::kCheckedTaggedToInt32:
       state = LowerCheckedTaggedToInt32(node, frame_state, *effect, *control);
       break;
@@ -1579,6 +1583,22 @@ EffectControlLinearizer::LowerCheckedFloat64ToInt32(Node* node,
 }
 
 EffectControlLinearizer::ValueEffectControl
+EffectControlLinearizer::LowerCheckedTaggedSignedToInt32(Node* node,
+                                                         Node* frame_state,
+                                                         Node* effect,
+                                                         Node* control) {
+  Node* value = node->InputAt(0);
+
+  Node* check = ObjectIsSmi(value);
+  control = effect =
+      graph()->NewNode(common()->DeoptimizeUnless(DeoptimizeReason::kNotASmi),
+                       check, frame_state, effect, control);
+  value = ChangeSmiToInt32(value);
+
+  return ValueEffectControl(value, effect, control);
+}
+
+EffectControlLinearizer::ValueEffectControl
 EffectControlLinearizer::LowerCheckedTaggedToInt32(Node* node,
                                                    Node* frame_state,
                                                    Node* effect,