[11u] RFR (S) 8229016: C2 scalarization crashes with assert(node->Opcode() == Op_CastP2X) failed: ConvP2XNode required

[Aleksey Shipilev]

(resending with proper subject prefix)

On 9/3/19 4:52 PM, Aleksey Shipilev wrote:
> Original bug:
>   https://bugs.openjdk.java.net/browse/JDK-8229016
>   https://hg.openjdk.java.net/jdk/jdk/rev/1d2ea8db7083
> 
> Patch applies cleanly, but the new test still crashes! And there is still 11.0.6-oracle backport
> recorded. Tobias H says we need another line from here:
>   https://hg.openjdk.java.net/jdk/jdk/rev/e3d79743f57d#l13.7
> 
> After that, new test passes. We could consider backporting the entire JDK-8212243, but it does not
> apply cleanly with lots of conflicts, and resolving those would take a lot of time. I believe
> picking up that one-liner fix is a better idea.
> 
> So, full 11u webrev:
>   https://cr.openjdk.java.net/~shade/8229016/webrev.11u.01/
> 
> Testing: new test, tier1

-- 
Thanks,
-Aleksey