https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95748
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target| |i?86-*-* Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID Keywords| |ABI --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- x86 aligns 'long long' (the type) to 8 bytes so your test is a bit flawed because 8 byte alignment is of course also 4 byte alignment.