https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105141
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |INVALID Status|UNCONFIRMED |RESOLVED --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- > int *d = &c.b; int has an alignment requirement of 4 bytes but when you do this: #pragma pack(1) struct { char a; int b; } c; The alignment of c.b will be 1.