8279445: Update JMH devkit to 1.34

[shipilev]

Brings lots of goodies, including automatic enablement of Compiler Blackholes: https://mail.openjdk.java.net/pipermail/jmh-dev/2021-December/003406.html

Additional testing:

• Devkit creation works
• Sample benchmarks runs with new devkit

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• Change must be properly reviewed

Issue

• JDK-8279445: Update JMH devkit to 1.34

Reviewers

• Andrew Haley (@theRealAph - Reviewer)
• Erik Joelsson (@erikj79 - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.java.net/jdk pull/6955/head:pull/6955
$ git checkout pull/6955

Update a local copy of the PR:
$ git checkout pull/6955
$ git pull https://git.openjdk.java.net/jdk pull/6955/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 6955

View PR using the GUI difftool:
$ git pr show -t 6955

Using diff file

Download this PR as a diff file:
https://git.openjdk.java.net/jdk/pull/6955.diff

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[openjdk]

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[mlbridge]

Webrevs

• 00: Full (59aac13e)

[openjdk]

@shipilev This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8279445: Update JMH devkit to 1.34

Reviewed-by: aph, erikj

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 3 new commits pushed to the master branch:

• 93c7d90: 8278282: G1: Log basic statistics for evacuation failure
• 1ffdc52: 8279412: [JVMCI] failed speculations list must outlive any nmethod that refers to it
• 863bffb: 8279374: Remove unused JNIHandles::weak_oops_do

Please see this link for an up-to-date comparison between the source branch of this pull request and the master branch.
As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

[shipilev]

Thanks for reviews!

/integrate

[openjdk]

Going to push as commit 0f98efb.
Since your change was applied there have been 13 commits pushed to the master branch:

• 8b5de27: 8279485: Incorrect copyright year in compiler/lib/ir_framework/IRNode.java after JDK-8278114
• f326305: 8278114: New addnode ideal optimization: converting "x + x" into "x << 1"
• 191f730: Merge
• 95a3010: 8275830: C2: Receiver downcast is missing when inlining through method handle linkers
• 58b5fb3: 8265317: [vector] assert(payload->is_object()) failed: expected 'object' value for scalar-replaced boxed vector but got: NULL
• 06f3713: 8279379: GHA: Print tests that are in error
• e7244c1: 8278966: two microbenchmarks tests fail "assert(!jvms->method()->has_exception_handlers()) failed: no exception handler expected" after JDK-8275638
• b4b0328: 8278824: Uneven work distribution when scanning heap roots in G1
• 99a8351: 8279386: Remove duplicate RefProcPhaseTimeTracker
• d1e6f26: 8279351: [TESTBUG] SADebugDTest.java does not handle "Address already in use" error
• ... and 3 more: https://git.openjdk.java.net/jdk/compare/9bdf6eb7b2412ecff523015f1430dfb6a0e4dd09...master

Your commit was automatically rebased without conflicts.

[openjdk]

@shipilev Pushed as commit 0f98efb.

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