| Index: src/wasm/wasm-objects.h | 
| diff --git a/src/wasm/wasm-objects.h b/src/wasm/wasm-objects.h | 
| index f311fa101ac94a24cfe68a107407df0f824d4e67..ec0f9391687ef2c2baff6e6354517f913213913f 100644 | 
| --- a/src/wasm/wasm-objects.h | 
| +++ b/src/wasm/wasm-objects.h | 
| @@ -422,6 +422,8 @@ class WasmDebugInfo : public FixedArray { | 
|  | 
| static void SetBreakpoint(Handle<WasmDebugInfo>, int func_index, int offset); | 
|  | 
| +  void PrepareStep(StepAction); | 
| + | 
| void RunInterpreter(int func_index, uint8_t* arg_buffer); | 
|  | 
| // Get the stack of the wasm interpreter as pairs of <function index, byte | 
|  |