| Index: runtime/vm/tags.h | 
| diff --git a/runtime/vm/tags.h b/runtime/vm/tags.h | 
| index f2288b317d4ad6c17ba998ef21f2dfcc5b57c7e1..2fb9841fb0e367bbd997ecced53f8d03e56552e1 100644 | 
| --- a/runtime/vm/tags.h | 
| +++ b/runtime/vm/tags.h | 
| @@ -87,7 +87,7 @@ class VMTagCounters { | 
| class UserTags : public AllStatic { | 
| public: | 
| // UserTag id space: [kUserTagIdOffset, kUserTagIdOffset + kMaxUserTags). | 
| -  static const intptr_t kMaxUserTags = 64; | 
| +  static const intptr_t kMaxUserTags = 256; | 
| static const uword kUserTagIdOffset = 0x4096; | 
| static const uword kDefaultUserTag = kUserTagIdOffset; | 
| static const char* TagName(uword tag_id); | 
|  |