https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118873
--- Comment #1 from Konstantinos Eleftheriou <konstantinos.eleftheriou at vrull dot eu> --- These subregs are generated from `store_bit_field`. We could fix this by updating `store_bit_field` or avoid calling it in those cases and handle this in-place. Actually, we're rejecting cases with scalar-vector store-loads for the same reason.
