| Index: runtime/tools/gyp/runtime-configurations.gypi | 
| diff --git a/runtime/tools/gyp/runtime-configurations.gypi b/runtime/tools/gyp/runtime-configurations.gypi | 
| index 0b993ca78a22da2a522c545421eb0ddfe09a38c9..95168b09814e865ee2ee96e9106ca163a9b3945a 100644 | 
| --- a/runtime/tools/gyp/runtime-configurations.gypi | 
| +++ b/runtime/tools/gyp/runtime-configurations.gypi | 
| @@ -10,6 +10,7 @@ | 
| 'dart_io_support%': 0, | 
| 'dart_io_secure_socket%': 1, | 
| 'asan%': 0, | 
| +    'msan%': 0, | 
| # Intel VTune related variables. | 
| 'dart_vtune_support%': 0, | 
| 'conditions': [ | 
|  |