JDK-8299479: Remove metaprogramming/decay.hpp

[jcking]

Code cleanup of pre-C++11 <type_traits> implementations.

---

Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8299479: Remove metaprogramming/decay.hpp

Reviewers

• Thomas Schatzl (@tschatzl - Reviewer) ⚠️ Review applies to 3c70a1cd
• Kim Barrett (@kimbarrett - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk pull/11816/head:pull/11816
$ git checkout pull/11816

Update a local copy of the PR:
$ git checkout pull/11816
$ git pull https://git.openjdk.org/jdk pull/11816/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 11816

View PR using the GUI difftool:
$ git pr show -t 11816

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk/pull/11816.diff

[bridgekeeper]

👋 Welcome back jcking! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[jcking]

@kimbarrett Another one.

[openjdk]

@jcking The following label will be automatically applied to this pull request:

• hotspot

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[mlbridge]

Webrevs

• 02: Full - Incremental (bfae998e)
• 01: Full (131c7fdc)
• 00: Full (3c70a1cd)

[openjdk]

@jcking this pull request can not be integrated into master due to one or more merge conflicts. To resolve these merge conflicts and update this pull request you can run the following commands in the local repository for your personal fork:

git checkout remove-decay
git fetch https://git.openjdk.org/jdk master
git merge FETCH_HEAD
# resolve conflicts and follow the instructions given by git merge
git commit -m "Merge master"
git push

[openjdk]

@jcking 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:

8299479: Remove metaprogramming/decay.hpp

Reviewed-by: tschatzl, kbarrett

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 1 new commit pushed to the master branch:

• ea25a56: 8299520: TestPrintXML.java output error messages in case compare fails

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.

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➡️ To flag this PR as ready for integration with the above commit message, type /integrate in a new comment. (Afterwards, your sponsor types /sponsor in a new comment to perform the integration).

[jcking]

/integrate

[openjdk]

@jcking
Your change (at version 131c7fd) is now ready to be sponsored by a Committer.

[jcking]

Forgot to remove the actual header apparently, updated.

[kimbarrett]

Looks good.

[jcking]

/integrate

[openjdk]

@jcking
Your change (at version bfae998) is now ready to be sponsored by a Committer.

[kimbarrett]

/integrate

[openjdk]

@kimbarrett Only the author (@jcking) is allowed to issue the integrate command. As this pull request is ready to be sponsored, and you are an eligible sponsor, did you mean to issue the /sponsor command?

[kimbarrett]

/sponsor

[openjdk]

Going to push as commit 10a747c.
Since your change was applied there have been 101 commits pushed to the master branch:

• ddca2b9: 8299701: Remove unused GCCause::_wb_conc_mark
• c595f96: 8299278: tools/jpackage/share/AddLauncherTest.java#id1 failed AddLauncherTest.bug8230933
• 3c99e78: 8298735: Some tools/jpackage/windows/* tests fails with jtreg test timeout
• 5a51ef2: 8297874: get_dump_directory() in jfrEmergencyDump.cpp should pass correct length to jio_snprintf
• a86b6f6: 8299183: Invokers.checkExactType passes parameters to create WMTE in opposite order
• 8b0133f: 8299259: C2: Div/Mod nodes without zero check could be split through iv phi of loop resulting in SIGFPE
• d68de02: 8299845: Remove obsolete comments in DirtyCardToOopClosure::get_actual_top
• debe587: 8298381: Improve handling of session tickets for multiple SSLContexts
• eab1e62: 8297487: G1 Remark: no need to keep alive oop constants of nmethods on stack
• c8a8388: 8299789: Compilation of gtest causes build to fail if runtime libraries are in different dirs
• ... and 91 more: https://git.openjdk.org/jdk/compare/92dfc735f2297441a99b3e39464fb8f77a354d55...master

Your commit was automatically rebased without conflicts.

[openjdk]

@kimbarrett @jcking Pushed as commit 10a747c.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.