[11] Revert upstream difference with UseShenandoahGC undefined

[Roman Kennke]

Looks good.

Thank you,
Roman


Aleksey Shipilev <shade at redhat.com> schrieb am Mi., 5. Aug. 2020, 14:35:

> Seems like non-Shenandoah sh/jdk11 builds fail with:
>
>
> /home/buildbot/worker/build-shenandoah-jdk11-linux/build/src/hotspot/share/gc/shared/gcConfig.cpp:
> In static member function ‘static void
> GCConfig::fail_if_unsupported_gc_is_selected()’:
>
> /home/buildbot/worker/build-shenandoah-jdk11-linux/build/src/hotspot/share/gc/shared/gcConfig.cpp:105:37:
> error: ‘UseShenandoahGC’ was not declared in this scope
>    NOT_SHENANDOAHGC(FAIL_IF_SELECTED(UseShenandoahGC,  true));
>
> I think we need to remove the upstream difference in gcConfig and
> TestDisableDefaultGC.java:
>   https://builds.shipilev.net/patch-openjdk-shenandoah-jdk11/
>
> This does it:
>
> diff -r f01915212b47 src/hotspot/share/gc/shared/gcConfig.cpp
> --- a/src/hotspot/share/gc/shared/gcConfig.cpp  Wed Aug 05 10:55:41 2020
> +0200
> +++ b/src/hotspot/share/gc/shared/gcConfig.cpp  Wed Aug 05 14:33:32 2020
> +0200
> @@ -103,5 +103,4 @@
>    NOT_SERIALGC(  FAIL_IF_SELECTED(UseSerialGC,        true));
>    NOT_SERIALGC(  FAIL_IF_SELECTED(UseParallelOldGC,   false));
> -  NOT_SHENANDOAHGC(FAIL_IF_SELECTED(UseShenandoahGC,  true));
>    NOT_ZGC(       FAIL_IF_SELECTED(UseZGC,             true));
>  }
> diff -r f01915212b47
> test/hotspot/jtreg/gc/arguments/TestDisableDefaultGC.java
> --- a/test/hotspot/jtreg/gc/arguments/TestDisableDefaultGC.java Wed Aug 05
> 10:55:41 2020 +0200
> +++ b/test/hotspot/jtreg/gc/arguments/TestDisableDefaultGC.java Wed Aug 05
> 14:33:32 2020 +0200
> @@ -45,5 +45,4 @@
>
>  "-XX:-UseConcMarkSweepGC",
>
>  "-XX:+UnlockExperimentalVMOptions",
> -
> "-XX:-UseShenandoahGC",
>
>  "-XX:-UseZGC",
>
>  "-version");
>
> Testing: builds
>
> --
> Thanks,
> -Aleksey
>
>