[turbofan] Get rid of type lower bounds.

src/compiler/js-intrinsic-lowering.cc

 // Copyright 2015 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/js-intrinsic-lowering.h"
 
 #include <stack>
 
 #include "src/compiler/access-builder.h"
 #include "src/compiler/js-graph.h"
@@ skipping 291 matching lines @@
   Node* effect = NodeProperties::GetEffectInput(node);
   Node* control = NodeProperties::GetControlInput(node);
   node->set_op(
       simplified()->StoreElement(AccessBuilder::ForSeqStringChar(encoding)));
   node->ReplaceInput(0, string);
   node->ReplaceInput(1, index);
   node->ReplaceInput(2, chr);
   node->ReplaceInput(3, effect);
   node->ReplaceInput(4, control);
   node->TrimInputCount(5);
-  NodeProperties::RemoveBounds(node);
+  NodeProperties::RemoveType(node);
   ReplaceWithValue(node, string, node);
   return Changed(node);
 }
 
 
 Reduction JSIntrinsicLowering::ReduceStringGetLength(Node* node) {
   Node* value = NodeProperties::GetValueInput(node, 0);
   Node* effect = NodeProperties::GetEffectInput(node);
   Node* control = NodeProperties::GetControlInput(node);
   return Change(node, simplified()->LoadField(
@@ skipping 277 matching lines @@
 }
 
 
 MachineOperatorBuilder* JSIntrinsicLowering::machine() const {
   return jsgraph()->machine();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8