RFR(S): 8212673: jtreg/applications/runthese/RunThese30M.java fails in C2 with "assert(!had_error) failed: bad dominance"

[Aleksey Shipilev]

On 10/24/2018 11:14 AM, Roland Westrelin wrote:
> http://cr.openjdk.java.net/~roland/8212673/webrev.00/

This looks like a strict subset of what we had with the full patch (looking through barriers on all
paths). Looks good.

> I propose to backout JDK-8212603 and add calls to step_over_gc_barrier()
> to locking optimization code only instead (which was the motivation for
> JDK-8212603).

Makes sense.

-Aleksey

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