[Bug c++/36566] Cannot bind packed field
rene.rahn@fu-berlin.de
gcc-bugzilla@gcc.gnu.org
Wed Mar 4 21:42:00 GMT 2020
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=36566
--- Comment #13 from Rene Rahn <rene.rahn@fu-berlin.de> ---
(In reply to Eric Gallager from comment #12)
> (In reply to Rene Rahn from comment #10)
> > I know this is quite old now. But can someone explain me why using `#pragma
> > pack(push, 1)` does work then? I couldn't find enough resources on that. The
> > only thing I found is, that it does literally the same. But wouldn't then
> > the references/pointers still not be valid?
> >
> > So if I change the code to:
> >
> > ```
> > #pragma pack(push, 1)
> > struct Squeeze
> > {
> > short s;
> > };
> > #pragma pack(pop)
> > ```
> >
> > Then it works on godbolt with gcc-trunk.
>
> There are several bugs open about inconsistencies between
> __attribute__((packed)) and #pragma pack; see for example: bug 93910, bug
> 92900, bug 68160, and bug 60972
Ah great. Thanks for pointing to this.
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