Back strongly rooted literals CLs out of the tree for branch cut

src/compiler/ast-graph-builder.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/ast-graph-builder.h"
 
 #include "src/ast/compile-time-value.h"
 #include "src/ast/scopes.h"
 #include "src/compilation-info.h"
 #include "src/compiler.h"
@@ skipping 915 matching lines @@
 void AstGraphBuilder::VisitVariableDeclaration(VariableDeclaration* decl) {
   Variable* variable = decl->proxy()->var();
   DCHECK(!variable->binding_needs_init());
   switch (variable->location()) {
     case VariableLocation::UNALLOCATED: {
       globals()->push_back(variable->name());
       FeedbackVectorSlot slot = decl->proxy()->VariableFeedbackSlot();
       DCHECK(!slot.IsInvalid());
       globals()->push_back(handle(Smi::FromInt(slot.ToInt()), isolate()));
       globals()->push_back(isolate()->factory()->undefined_value());
-      globals()->push_back(isolate()->factory()->undefined_value());
       break;
     }
     case VariableLocation::PARAMETER:
     case VariableLocation::LOCAL:
     case VariableLocation::CONTEXT:
       break;
     case VariableLocation::LOOKUP:
     case VariableLocation::MODULE:
       UNREACHABLE();
   }
 }
 
 
 void AstGraphBuilder::VisitFunctionDeclaration(FunctionDeclaration* decl) {
   Variable* variable = decl->proxy()->var();
   switch (variable->location()) {
     case VariableLocation::UNALLOCATED: {
       Handle<SharedFunctionInfo> function = Compiler::GetSharedFunctionInfo(
           decl->fun(), info()->script(), info());
       // Check for stack-overflow exception.
       if (function.is_null()) return SetStackOverflow();
       globals()->push_back(variable->name());
       FeedbackVectorSlot slot = decl->proxy()->VariableFeedbackSlot();
       DCHECK(!slot.IsInvalid());
       globals()->push_back(handle(Smi::FromInt(slot.ToInt()), isolate()));
-
-      // We need the slot where the literals array lives, too.
-      slot = decl->fun()->LiteralFeedbackSlot();
-      DCHECK(!slot.IsInvalid());
-      globals()->push_back(handle(Smi::FromInt(slot.ToInt()), isolate()));
-
       globals()->push_back(function);
       break;
     }
     case VariableLocation::PARAMETER:
     case VariableLocation::LOCAL: {
       VisitForValue(decl->fun());
       Node* value = environment()->Pop();
       environment()->Bind(variable, value);
       break;
     }
@@ skipping 2195 matching lines @@
     float invocation_frequency, LoopAssignmentAnalysis* loop_assignment,
     SourcePositionTable* source_positions, int inlining_id)
     : AstGraphBuilder(local_zone, info, jsgraph, invocation_frequency,
                       loop_assignment),
       source_positions_(source_positions),
       start_position_(info->shared_info()->start_position(), inlining_id) {}
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8