On Thu, Jan 23, 2014 at 03:34:16PM -0800, Jonathan Nieder wrote:

> Line 1484 looks more problematic:
>               disk_ce = (struct ondisk_cache_entry *)((char *)mmap + 
> src_offset);
> In v4 indexes, src_offset doesn't have any particular alignment so
> this conversion has undefined behavior.
> Do you know if any tests exercise this code with paths that don't
> have convenient length?

My impression was that we are not testing v4 index at all (and grepping
for `--index-version`, which I think is the only way to write it,
supports that).

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