hg: shenandoah/jdk11: [backport] 8228775: Shenandoah: Remove useless null-input-verification in Shenandoah/C2 verifier

[rkennke at redhat.com]

Changeset: 515e449e1d52
Author:    rkennke
Date:      2019-07-31 10:03 +0200
URL:       https://hg.openjdk.java.net/shenandoah/jdk11/rev/515e449e1d52

[backport] 8228775: Shenandoah: Remove useless null-input-verification in Shenandoah/C2 verifier
Reviewed-by: shade

! src/hotspot/share/gc/shenandoah/c2/shenandoahSupport.cpp