| Index: runtime/vm/flag_list.h | 
| diff --git a/runtime/vm/flag_list.h b/runtime/vm/flag_list.h | 
| index 2c327819c2edf3458bafa0de18d7fae51ec573d0..47aaa8d182a40992ffe19e4560c99521b5041a50 100644 | 
| --- a/runtime/vm/flag_list.h | 
| +++ b/runtime/vm/flag_list.h | 
| @@ -70,7 +70,7 @@ | 
| "Emit DWARF line number and inlining info"                                 \ | 
| "in dylib snapshots and don't symbolize stack traces.")                    \ | 
| R(enable_asserts, false, bool, false, "Enable assert statements.")           \ | 
| -  C(enable_mirrors, false, false, bool, true,                                  \ | 
| +  P(enable_mirrors, bool, true,                                                \ | 
| "Disable to make importing dart:mirrors an error.")                        \ | 
| R(enable_type_checks, false, bool, false, "Enable type checks.")             \ | 
| R(error_on_bad_override, false, bool, false,                                 \ | 
|  |