[turbofan] Always run type propagation in SimplifiedLowering.

src/compiler/simplified-lowering.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/simplified-lowering.h"
 
 #include <limits>
 
 #include "src/address-map.h"
 #include "src/base/bits.h"
@@ skipping 551 matching lines @@
       VisitNode(node, info->truncation(), nullptr);
       TRACE("  ==> output ");
       PrintOutputInfo(info);
       TRACE("\n");
     }
   }
 
   void Run(SimplifiedLowering* lowering) {
     RunTruncationPropagationPhase();
 
-    if (lowering->flags() & SimplifiedLowering::kTypeFeedbackEnabled) {
-      ResetNodeInfoState();
-      RunTypePropagationPhase();
-    }
+    // Run type propagation.
+    ResetNodeInfoState();
+    RunTypePropagationPhase();
 
     // Run lowering and change insertion phase.
     TRACE("--{Simplified lowering phase}--\n");
     phase_ = LOWER;
     // Process nodes from the collected {nodes_} vector.
     for (NodeVector::iterator i = nodes_.begin(); i != nodes_.end(); ++i) {
       Node* node = *i;
       NodeInfo* info = GetInfo(node);
       TRACE(" visit #%d: %s\n", node->id(), node->op()->mnemonic());
       // Reuse {VisitNode()} so the representation rules are in one place.
@@ skipping 2697 matching lines @@
         isolate(), graph()->zone(), callable.descriptor(), 0, flags,
         Operator::kNoProperties);
     to_number_operator_.set(common()->Call(desc));
   }
   return to_number_operator_.get();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8