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src: fix heap value deduplication in embedder graph by IlyasShabi · Pull Request #64801 · nodejs/node · GitHub

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src: fix heap value deduplication in embedder graph - #64801

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nodejs-github-bot merged 1 commit into
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IlyasShabi:ishabi/embedder-graph-deduplication
Aug 23, 2026
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src: fix heap value deduplication in embedder graph#64801
nodejs-github-bot merged 1 commit into
nodejs:mainfrom
IlyasShabi:ishabi/embedder-graph-deduplication

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This PR aims to fix an embedder graph bug introduced by #52295, where distinct V8 values could be treated as the same graph node.

It uses an explicit value lookup for deduplication and extends the internal test binding to expose V8 values for regression testing.

nodejs-github-bot added c++ Issues and PRs that require attention from people who are familiar with C++. needs-ci PRs that need a full CI run. labels Jul 28, 2026
Signed-off-by: ishabi <ilyasshabi94@gmail.com>
IlyasShabi force-pushed the ishabi/embedder-graph-deduplication branch from bc8ffc2 to d62e941 Compare July 28, 2026 10:09
IlyasShabi marked this pull request as ready for review July 28, 2026 10:17
IlyasShabi requested a review from joyeecheung July 28, 2026 10:17

codecov Bot commented Jul 28, 2026
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Codecov Report

❌ Patch coverage is 86.66667% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 90.14%. Comparing base (4bec191) to head (d62e941).
⚠️ Report is 548 commits behind head on main.

Files with missing lines Patch % Lines
src/heap_utils.cc 86.66% 1 Missing and 1 partial ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##             main   #64801      +/-   ##
==========================================
+ Coverage   90.13%   90.14%   +0.01%     
==========================================
  Files         741      744       +3     
  Lines      242106   242542     +436     
  Branches    45551    45692     +141     
==========================================
+ Hits       218211   218648     +437     
+ Misses      15430    15394      -36     
- Partials     8465     8500      +35     
Files with missing lines Coverage Δ
src/heap_utils.cc 80.61% <86.66%> (+1.36%) ⬆️

... and 93 files with indirect coverage changes

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IlyasShabi added the request-ci Add this label to start a Jenkins CI on a PR. label Aug 3, 2026
github-actions Bot removed the request-ci Add this label to start a Jenkins CI on a PR. label Aug 3, 2026

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legendecas added the author ready PRs that have at least one approval, no outstanding review comments, and a CI started. label Aug 12, 2026

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IlyasShabi added the request-ci Add this label to start a Jenkins CI on a PR. label Aug 20, 2026
github-actions Bot removed the request-ci Add this label to start a Jenkins CI on a PR. label Aug 20, 2026

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IlyasShabi added the commit-queue Add this label to land a pull request using GitHub Actions. label Aug 23, 2026
nodejs-github-bot merged commit 857e438 into nodejs:main Aug 23, 2026
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Landed in 857e438

nodejs-github-bot removed the commit-queue Add this label to land a pull request using GitHub Actions. label Aug 23, 2026
aduh95 pushed a commit that referenced this pull request Aug 25, 2026
Signed-off-by: ishabi <ilyasshabi94@gmail.com>
PR-URL: #64801
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
aduh95 pushed a commit that referenced this pull request Aug 25, 2026
Signed-off-by: ishabi <ilyasshabi94@gmail.com>
PR-URL: #64801
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
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