[turbofan] BytecodeGraphBuilder was incorrectly tenuring most CreateClosure allocations

src/compiler/bytecode-graph-builder.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/bytecode-graph-builder.h"
 
 #include "src/compilation-info.h"
 #include "src/compiler/bytecode-branch-analysis.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/operator-properties.h"
@@ skipping 904 matching lines @@
 void BytecodeGraphBuilder::VisitPopContext() {
   Node* context =
       environment()->LookupRegister(bytecode_iterator().GetRegisterOperand(0));
   environment()->SetContext(context);
 }
 
 void BytecodeGraphBuilder::VisitCreateClosure() {
   Handle<SharedFunctionInfo> shared_info = Handle<SharedFunctionInfo>::cast(
       bytecode_iterator().GetConstantForIndexOperand(0));
   PretenureFlag tenured =
-      bytecode_iterator().GetFlagOperand(1) ? TENURED : NOT_TENURED;
+      interpreter::CreateClosureFlags::PretenuredBit::decode(
+          bytecode_iterator().GetFlagOperand(1))
+          ? TENURED
+          : NOT_TENURED;
   const Operator* op = javascript()->CreateClosure(shared_info, tenured);
   Node* closure = NewNode(op);
   environment()->BindAccumulator(closure);
 }
 
 void BytecodeGraphBuilder::VisitCreateBlockContext() {
   Handle<ScopeInfo> scope_info = Handle<ScopeInfo>::cast(
       bytecode_iterator().GetConstantForIndexOperand(0));
 
   const Operator* op = javascript()->CreateBlockContext(scope_info);
@@ skipping 1015 matching lines @@
     // Phi does not exist yet, introduce one.
     value = NewPhi(inputs, value, control);
     value->ReplaceInput(inputs - 1, other);
   }
   return value;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8