RFC: Pick up 11.0.5+1 to sh/jdk11

[Roman Kennke]

Great. Extra Shenandoah change looks good.

Thank you!
Roman


> Upstream had published 11.0.5+1 to jdk-updates/jdk11u. Let's pick that up to sh/jdk11!
> 
> There are many incoming changes, so webrev is not practical:
>  49022 lines changed: 14616 ins; 6021 del; 28385 mod; 652850 unchg
> 
> List of changes:
>  https://cr.openjdk.java.net/~shade/shenandoah/merges/jdk11-11.0.5%2b1/changesets.txt
> 
> I had to additionally pick up the leftover change from here:
>   https://bugs.openjdk.java.net/browse/JDK-8223244
> 
> --- a/src/hotspot/cpu/x86/gc/shenandoah/shenandoahBarrierSetAssembler_x86.cpp   Wed May 08 08:15:04
> 2019 +0100
> +++ b/src/hotspot/cpu/x86/gc/shenandoah/shenandoahBarrierSetAssembler_x86.cpp   Wed May 08 11:59:14
> 2019 +0200
> @@ -53,12 +53,14 @@
> 
>    if (type == T_OBJECT || type == T_ARRAY) {
>  #ifdef _LP64
> -    if (!checkcast && !obj_int) {
> -      // Save count for barrier
> -      __ movptr(r11, count);
> -    } else if (disjoint && obj_int) {
> -      // Save dst in r11 in the disjoint case
> -      __ movq(r11, dst);
> +    if (!checkcast) {
> +      if (!obj_int) {
> +        // Save count for barrier
> +        __ movptr(r11, count);
> +      } else if (disjoint) {
> +        // Save dst in r11 in the disjoint case
> +        __ movq(r11, dst);
> +      }
>      }
>  #else
>      if (disjoint) {
> @@ -123,13 +125,15 @@
> 
>    if (type == T_OBJECT || type == T_ARRAY) {
>  #ifdef _LP64
> -    if (!checkcast && !obj_int) {
> -      // Save count for barrier
> -      count = r11;
> -    } else if (disjoint && obj_int) {
> -      // Use the saved dst in the disjoint case
> -      dst = r11;
> -    } else if (checkcast) {
> +    if (!checkcast) {
> +      if (!obj_int) {
> +        // Save count for barrier
> +        count = r11;
> +      } else if (disjoint && obj_int) {
> +        // Use the saved dst in the disjoint case
> +        dst = r11;
> +      }
> +    } else {
>        tmp = rscratch1;
>      }
>  #else
> 
> 
> Testing: hotspot_gc_shenandoah {fastdebug,release}
>