https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69560

Jason Merrill <jason at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |ASSIGNED
   Last reconfirmed|                            |2018-04-11
                 CC|                            |jason at gcc dot gnu.org
         Resolution|INVALID                     |---
           Assignee|unassigned at gcc dot gnu.org      |jason at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #16 from Jason Merrill <jason at gcc dot gnu.org> ---
(In reply to Andreas Schwab from comment #15)
> Because the ABI says so.

Which ABI?  In https://www.uclibc.org/docs/psABI-i386.pdf I see

long long: sizeof 8, alignment 4.

That GCC chooses to give stronger alignment to long long variables isn't part
of the ABI, and shouldn't affect the value of alignof.

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