RFR: 8278053: serviceability/jvmti/vthread/ContStackDepthTest/ContStackDepthTest.java failing in loom repo with Xcomp

[Ron Pressler]

On Tue, 14 Jun 2022 08:36:19 GMT, Alan Bateman <alanb at openjdk.org> wrote:

>> Please review the following fix.
>> 
>> When JVM TI puts a thread's state in `interp_only_mode`, thaw takes the slow path and deoptimizes frames as they're thawed in `recurse_thaw_compiled_frame`. However, thawing a deoptimized frame's callee will override the frame's patched pc (to the deopt handler), essentially reverting the deoptimization. This fix patches the deoptimized return address after thawing the callee.
>> 
>> Passes loom tiers 1-5
>
> Are you going to remove the test from test/hotspot/jtreg/ProblemList-Xcomp.txt?

@AlanBateman done.

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PR: https://git.openjdk.org/jdk19/pull/12