[turbofan] BytecodeGraphBuilder was incorrectly tenuring most CreateClosure allocations

src/compiler/bytecode-graph-builder.cc

Index: src/compiler/bytecode-graph-builder.cc
diff --git a/src/compiler/bytecode-graph-builder.cc b/src/compiler/bytecode-graph-builder.cc
index e0b1e7a0bd94d1ec3af39fca696478ee321147b6..cfeb79e81105ed2be2215e18c1dfa63809b30f78 100644
--- a/src/compiler/bytecode-graph-builder.cc
+++ b/src/compiler/bytecode-graph-builder.cc
@@ -922,7 +922,10 @@ 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);