Dereference after null check

Either the check against null is unnecessary, or there may be a null pointer dereference. Pointer is checked against null but then dereferenced anyway
/data/bazel_cache/1de52aaeb35278243ca29a4785ce7969/execroot/_main_/src/mongo/db/query/plan_executor_sbe.cpp:158: FORWARD_NULL 171938 Calling "this->_solution.operator bool()" implies that "this->_solution" might be null-like.
/data/bazel_cache/1de52aaeb35278243ca29a4785ce7969/execroot/_main_/src/mongo/db/query/plan_executor_sbe.cpp:162: FORWARD_NULL 171938 "this->_solution.get()" returns the managed object of "this->_solution".