RFR: Fix call to is_g1_marking_load() with is_shenandoah_state_load() in ShenandoahSupport

[Aleksey Shipilev]

On 09/11/2018 11:09 PM, Roman Kennke wrote:
> The check for is_g1_marking_load() in ShenandoahSupport is bogus (and
> there is no overload left that actually returns true!), and should be
> is_shenandoah_state_load().
> 
> Testing: tier3_gc_shenandoah
> 
> # HG changeset patch
> # User rkennke
> # Date 1536700094 -7200
> #      Tue Sep 11 23:08:14 2018 +0200
> # Node ID aad4dc29c7caa4c87172ace60497189857225a0d
> # Parent  424866bd51c0d1e99ab867c50ec14e1507bda8e2
> Fix call to is_g1_marking_load() with is_shenandoah_state_load() in
> ShenandoahSupport
> 
> diff --git a/src/hotspot/share/gc/shenandoah/c2/shenandoahSupport.cpp
> b/src/hotspot/share/gc/shenandoah/c2/shenandoahSupport.cpp
> --- a/src/hotspot/share/gc/shenandoah/c2/shenandoahSupport.cpp
> +++ b/src/hotspot/share/gc/shenandoah/c2/shenandoahSupport.cpp
> @@ -2669,7 +2669,7 @@
>        Node* c = old_c;
>        if (c != ctrl ||
>            is_dominator_same_ctrl(old_c, barrier, u, phase) ||
> -          u->is_g1_marking_load()) {
> +          u->is_shenandoah_state_load()) {
>          phase->igvn().rehash_node_delayed(u);
>          int nb = u->replace_edge(ctrl, region);
>          if (u->is_CFG()) {

OK!

-Aleksey