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/classic_runtime_planner_for_sbe/multi_planner.cpp:166: FORWARD_NULL 171930 Comparing "solnToCache" to null implies that "solnToCache" might be null.