valgrind support for glibc master

[Siddhesh Poyarekar]

On Friday 23 June 2017 04:31 PM, Mark Wielaard wrote:
> For now the auxv HWCAP is masked off on arm64 in valgrind fedora.
> https://bugzilla.redhat.com/show_bug.cgi?id=1464211#c1
> So you can reenable the sanity check again on fedora rawhide.
> 
> Upstream bug is https://bugs.kde.org/show_bug.cgi?id=381556
> arm64: Handle feature registers access on 4.11 Linux kernel or later

A better workaround would be to mask out HWCAP_CPUID (0x800) from the HWCAP.

Siddhesh