https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69560
--- Comment #18 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to Jason Merrill from comment #16) > (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. FYI, x86 psABIs are at https://github.com/hjl-tools/x86-psABI/wiki/X86-psABI
