hg: panama/dev: [vector] Undo workaround fix

[sandhya.viswanathan at intel.com]

Changeset: 63995d6b2205
Author:    sviswanathan
Date:      2020-05-21 13:59 -0700
URL:       https://hg.openjdk.java.net/panama/dev/rev/63995d6b2205

[vector] Undo workaround fix
Reviewed-by: psandoz

! src/hotspot/share/opto/memnode.cpp