[Bug sanitizer/105141] #pragma pack(1) causes incorrect UBSAN warning

[pinskia at gcc dot gnu.org]

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.