Code block is unreachable because of the syntactic structure of the code

Defect 103493 (STATIC_C)
Checker UNREACHABLE (subcategory none)
File: /src/mongo/s/commands/cluster_commands_helpers.cpp
Function mongo::computeAtClusterTime(mongo::OperationContext *, bool, const std::set<mongo::ShardId, std::less<mongo::ShardId>, std::allocator<mongo::ShardId>> &, const mongo::NamespaceString &, mongo::BSONObj, mongo::BSONObj)
/src/mongo/s/commands/cluster_commands_helpers.cpp, line: 588
This code cannot be reached: "auto shardRegistry = mongo:...".

        auto shardRegistry = Grid::get(opCtx)->shardRegistry();