URGENT RFR(XS): 8213487 [BACKOUT] 8213414 Fix incorrect copy constructors in hotspot

[Roman Kennke]

Yep.

> Greetings,
> 
> This is an urgent fix for solving the jdk/jdk CI failures in tier[1-3]
> testing.
> 
>     JDK-8213487 [BACKOUT] 8213414 Fix incorrect copy constructors in
> hotspot
>     https://bugs.openjdk.java.net/browse/JDK-8213487
> 
> Here's the backout webrev:
> 
> http://cr.openjdk.java.net/~dcubed/8213487-webrev/0_for_jdk_jdk/
> 
> 
> Here's the original bug fix being backed out:
> 
>     JDK-8213414 Fix incorrect copy constructors in hotspot
>     https://bugs.openjdk.java.net/browse/JDK-8213414
> 
> Here's the original webrev:
> 
> http://cr.openjdk.java.net/~ihse/JDK-8213414-fix-hotspot-copy-constructors/webrev.01
> 
> 
> 
> Here's the failure caused by JDK-8213414:
> 
>     JDK-8213481 tests failing "assert(~(_allocation_t[0] |
> allocation_mask) != (uintptr_t)this
>                 || !is_type_set()) failed: embedded or stack only"
>     https://bugs.openjdk.java.net/browse/JDK-8213481
> 
> 
> The backout was generated using:
> 
>     $ hg backout 44f34d2c3243
>     3 files updated, 0 files merged, 0 files removed, 0 files unresolved
> 
> The resulting repo was tested with the following test:
> 
>     runtime/logging/ClassInitializationTest.java
> 
> which was used to triage JDK-8213481. With the backout in place,
> runtime/logging/ClassInitializationTest.java no longer fails.
> 
> The backout repo is also being tested via a
> "builds-tier1,hs-tier1,jdk-tier1"
> Mach5 job.
> 
> Thanks, in advance, for any comments, suggestions or questions.
> 
> Dan
>