[turbofan] Typer changes to avoid Type representation dimension

src/compiler/code-assembler.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/code-assembler.h"
 
 #include <ostream>
 
 #include "src/code-factory.h"
 #include "src/compiler/graph.h"
@@ skipping 284 matching lines @@
 
 Node* CodeAssembler::AtomicStore(MachineRepresentation rep, Node* base,
                                  Node* index, Node* value) {
   return raw_assembler_->AtomicStore(rep, base, index, value);
 }
 
 Node* CodeAssembler::StoreRoot(Heap::RootListIndex root_index, Node* value) {
   DCHECK(Heap::RootCanBeWrittenAfterInitialization(root_index));
   Node* roots_array_start =
       ExternalConstant(ExternalReference::roots_array_start(isolate()));
-  return StoreNoWriteBarrier(MachineRepresentation::kTagged, roots_array_start,
+  return StoreNoWriteBarrier(MachineRepresentation::kTaggedPointer,
+                             roots_array_start,
                              IntPtrConstant(root_index * kPointerSize), value);
 }
 
 Node* CodeAssembler::Projection(int index, Node* value) {
   return raw_assembler_->Projection(index, value);
 }
 
 void CodeAssembler::BranchIf(Node* condition, Label* if_true, Label* if_false) {
   Label if_condition_is_true(this), if_condition_is_false(this);
   Branch(condition, &if_condition_is_true, &if_condition_is_false);
@@ skipping 771 matching lines @@
       }
     }
   }
 
   bound_ = true;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8