https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87852
--- Comment #7 from Eric Botcazou <ebotcazou at gcc dot gnu.org> --- > Eric, you added partitions_for_undefined_values and IIRC that was just narrow > scope enough to fix a specific issue but not generally address shortcomings > within RTL? Yes, it's only enabled for SUBREG_PROMOTED_VAR_P at the moment.
