https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64798
--- Comment #4 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot
Uni-Bielefeld.DE> ---
> --- Comment #1 from rguenther at suse dot de <rguenther at suse dot de> ---
[...]
> Does malloc return 8-byte aligned memory? Is __alignof__
It does, according to libc sources exactly for the case at hand:
* Alignment (ALIGN) changed to 8 for SPARC ldd/std.
> struct free_entry {
> std::size_t size;
> free_entry *next;
> };
>
> less than 8?
Yup: 4 in the (failing) 32-bit case.
Rainer
