RFR (XS) 8215356: Disable x86_32 Shenandoah build to avoid hotspot/tier1 failures

[Roman Kennke]

ok by me. Thanks!
Roman

Am 13.12.18 um 14:58 schrieb Aleksey Shipilev:
> Bug;
>   https://bugs.openjdk.java.net/browse/JDK-8215356
> 
> There are lots of hotspot/tier1 tests on x86_32 caused by Shenandoah. This mode is experimental, and
> we can disable it without prejudice to make tests clean. Once x86_32 support is fixed, we can
> re-enable it back.
> 
> Fix:
> 
> diff -r 748cab25d902 -r f9d158363d15 make/autoconf/hotspot.m4
> --- a/make/autoconf/hotspot.m4  Thu Dec 13 14:39:16 2018 +0100
> +++ b/make/autoconf/hotspot.m4  Thu Dec 13 14:48:30 2018 +0100
> @@ -327,7 +327,7 @@
> 
>    # Only enable Shenandoah on supported arches
>    AC_MSG_CHECKING([if shenandoah can be built])
> -  if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86" || test "x$OPENJDK_TARGET_CPU" = "xaarch64" ; then
> +  if test "x$OPENJDK_TARGET_CPU" = "xx86_64" || test "x$OPENJDK_TARGET_CPU" = "xaarch64" ; then
>      AC_MSG_RESULT([yes])
>    else
>      DISABLED_JVM_FEATURES="$DISABLED_JVM_FEATURES shenandoahgc"
> 
> Testing: x86_64 tier1_gc_shenandoah, x86_32 hotspot/tier1.
> 
> Thanks,
> -Aleksey
>