https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106365
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> --- I will try to add handling for .MASK_STORE, hopefully that will be good enough to massage the code for .LEN_STORE (which IIRC is "easier" since it's a contiguous store rather than .MASK_STORE which can have multiple "pieces").
