valgrind support for glibc master

[Siddhesh Poyarekar]

On Friday 23 June 2017 04:43 PM, Florian Weimer wrote:
> valgrind needs to mask out all unknown/unimplemented flags.  And I
> thought it was 1?  LD_HWCAP_MASK=1 acts as a workaround, after all.

The remaining flags shouldn't actually matter to glibc since they're
essentially assumed features (asimd, fp) but there may be programs out
there that might read them.

Siddhesh