| Index: src/heap-snapshot-generator.cc | 
| diff --git a/src/heap-snapshot-generator.cc b/src/heap-snapshot-generator.cc | 
| index 1a6f14a9ada4c005912afac1bc8a7b44623890d8..1406ed57f673b2ab8482a5c8cd0b4548f57314a6 100644 | 
| --- a/src/heap-snapshot-generator.cc | 
| +++ b/src/heap-snapshot-generator.cc | 
| @@ -2162,6 +2162,9 @@ const char* V8HeapExplorer::GetStrongGcSubrootName(Object* object) { | 
| #define SYMBOL_NAME(name) NAME_ENTRY(name) | 
| PRIVATE_SYMBOL_LIST(SYMBOL_NAME) | 
| #undef SYMBOL_NAME | 
| +#define SYMBOL_NAME(name, varname, description) NAME_ENTRY(name) | 
| +    PUBLIC_SYMBOL_LIST(SYMBOL_NAME) | 
| +#undef SYMBOL_NAME | 
| #undef NAME_ENTRY | 
| CHECK(!strong_gc_subroot_names_.is_empty()); | 
| } | 
|  |