[turbofan] Advance bytecode offset after lazy deopt.

src/runtime/runtime-interpreter.cc

Index: src/runtime/runtime-interpreter.cc
diff --git a/src/runtime/runtime-interpreter.cc b/src/runtime/runtime-interpreter.cc
index ce71e2c52d5a9d5eae43f310759b3f07d4ba337f..62eee1744f57b258879bfa9e2173697cf1cafadc 100644
--- a/src/runtime/runtime-interpreter.cc
+++ b/src/runtime/runtime-interpreter.cc
@@ -171,5 +171,19 @@ RUNTIME_FUNCTION(Runtime_InterpreterSetPendingMessage) {
   return isolate->heap()->undefined_value();
 }
 
+RUNTIME_FUNCTION(Runtime_InterpreterAdvanceBytecodeOffset) {
+  SealHandleScope shs(isolate);
+  DCHECK_EQ(2, args.length());
+  CONVERT_ARG_HANDLE_CHECKED(BytecodeArray, bytecode_array, 0);
+  CONVERT_SMI_ARG_CHECKED(bytecode_offset, 1);
+  interpreter::BytecodeArrayIterator it(bytecode_array);
+  int offset = bytecode_offset - BytecodeArray::kHeaderSize + kHeapObjectTag;
+  while (it.current_offset() < offset) it.Advance();
+  DCHECK_EQ(offset, it.current_offset());
+  it.Advance();  // Advance by one bytecode.
+  offset = it.current_offset() + BytecodeArray::kHeaderSize - kHeapObjectTag;
+  return Smi::FromInt(offset);
+}
+
 }  // namespace internal
 }  // namespace v8