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

[sandhya.viswanathan at intel.com]

Changeset: 833122da367c
Author:    sviswanathan
Date:      2020-05-21 19:39 -0700
URL:       https://hg.openjdk.java.net/panama/dev/rev/833122da367c

[vector] Undo workaround fix
Reviewed-by: psandoz

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