RFR: Use ShenandoahAllocationThreshold in ShenandoahStaticHeuristics constructor

[Aleksey Shipilev]

On 11/26/18 8:05 PM, Roman Kennke wrote:
> Aleksey pointed out this mistake:
> 
> diff --git
> a/src/hotspot/share/gc/shenandoah/heuristics/shenandoahStaticHeuristics.cpp
> b/src/hotspot/share/gc/shenandoah/heuristics/shenandoahStaticHeuristics.cpp
> ---
> a/src/hotspot/share/gc/shenandoah/heuristics/shenandoahStaticHeuristics.cpp
> +++
> b/src/hotspot/share/gc/shenandoah/heuristics/shenandoahStaticHeuristics.cpp
> @@ -34,7 +34,7 @@
>    // Static heuristics may degrade to continuous if live data is larger
>    // than free threshold. ShenandoahAllocationThreshold is supposed to
> break this,
>    // but it only works if it is non-zero.
> -  SHENANDOAH_ERGO_OVERRIDE_DEFAULT(ShenandoahImmediateThreshold, 1);
> +  SHENANDOAH_ERGO_OVERRIDE_DEFAULT(ShenandoahAllocationThreshold, 1);
> 
>    SHENANDOAH_ERGO_ENABLE_FLAG(ExplicitGCInvokesConcurrent);
>    SHENANDOAH_ERGO_ENABLE_FLAG(ShenandoahImplicitGCInvokesConcurrent);

Looks good.

-Aleksey