https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88592
Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2019-01-03
CC| |ebotcazou at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #1 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
Here's the historical comment in the GCC codebase:
/* The ABI obviously doesn't specify how packed structures are passed.
These are passed in integer regs if possible, otherwise memory. */
