Logically dead code

The indicated dead code may have performed some action; that action will never occur. Code can never be reached because of a logical contradiction
/src/mongo/db/exec/sbe/stages/scan.cpp:195: DEADCODE 183903 Assigning: "first" = "true".
/src/mongo/db/exec/sbe/stages/scan.cpp:198: DEADCODE 183903 At condition "first", the value of "first" must be equal to 1.
/src/mongo/db/exec/sbe/stages/scan.cpp:198: DEADCODE 183903 The condition "!first" cannot be true.
/src/mongo/db/exec/sbe/stages/scan.cpp:199: DEADCODE 183903 Execution cannot reach the expression "ret->emplace_back(mongo::sbe::DebugPrinter::Block(mongo::StringData("`,")))" inside this statement: "ret->emplace_back(mongo::sb...".