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8285835: SIGSEGV in PhaseIdealLoop::build_loop_late_post_work #1023
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👋 Welcome back goetz! A progress list of the required criteria for merging this PR into |
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This backport pull request has now been updated with issue from the original commit. |
@GoeLin Please do not rebase or force-push to an active PR as it invalidates existing review comments. Note for future reference, the bots always squash all changes into a single commit automatically as part of the integration. See OpenJDK Developers’ Guide for more information. |
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LGTM. Please fix comment indentation before integrating.
src/hotspot/share/opto/escape.cpp
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for (BaseIterator i(field); i.has_next(); i.next()) { | ||
PointsToNode* base = i.get(); | ||
// 2. An object is not scalar replaceable if the field into which it is | ||
// stored has multiple bases one of which is null. |
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Odd indentation.
@GoeLin 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:
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 13 new commits pushed to the
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 |
/integrate |
Going to push as commit 3e7f840.
Your commit was automatically rebased without conflicts. |
I backport this for parity with 17.0.7-oracle.
I had to resolve one hunk in escape.cpp because head has more tracing code at that
place. Old code calls set_scalar_replaceable(false), new code
calls set_not_scalar_replaceable(...) which traces and calls the
other method.
Instead of editing the new code, I keep the tracing call and add
that method in escape.hpp. But I stripped the output of the
tracing, as it would be incomplete as long as I don't fix all
occurances.
The tracing was added by "8281548: Add escape analysis tracing flag"
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git
Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk17u-dev pull/1023/head:pull/1023
$ git checkout pull/1023
Update a local copy of the PR:
$ git checkout pull/1023
$ git pull https://git.openjdk.org/jdk17u-dev pull/1023/head
Using Skara CLI tools
Checkout this PR locally:
$ git pr checkout 1023
View PR using the GUI difftool:
$ git pr show -t 1023
Using diff file
Download this PR as a diff file:
https://git.openjdk.org/jdk17u-dev/pull/1023.diff