[interpreter] Merge {OsrPoll} with {Jump} bytecode.

src/interpreter/interpreter-assembler.cc

Index: src/interpreter/interpreter-assembler.cc
diff --git a/src/interpreter/interpreter-assembler.cc b/src/interpreter/interpreter-assembler.cc
index a4fddffa16464d7c4a730de779c28158642ff351..1e8c37963dec1c84488a7ee4868d974888581eb9 100644
--- a/src/interpreter/interpreter-assembler.cc
+++ b/src/interpreter/interpreter-assembler.cc
@@ -938,6 +938,9 @@ Node* InterpreterAssembler::CallRuntimeN(Node* function_id, Node* context,
 }
 
 void InterpreterAssembler::UpdateInterruptBudget(Node* weight) {
+  // TODO(rmcilroy): It might be worthwhile to only update the budget for
+  // backwards branches. Those are distinguishable by the {JumpLoop} bytecode.
+
   Label ok(this), interrupt_check(this, Label::kDeferred), end(this);
   Node* budget_offset =
       IntPtrConstant(BytecodeArray::kInterruptBudgetOffset - kHeapObjectTag);