Home / Skills / Debugging / javascriptcore-garbage-collector

javascriptcore-garbage-collector

By oven-sh. Updated June 25, 2026. Categories: Debugging.

JSC GC reference for Bun. Use for use-after-free, JS object leaks, "collected too early", or when touching WriteBarrier, visitChildren, visitAdditionalChildren, JSRef, JSC::Strong/Weak, hasPendingActivity, ensureStillAlive, addOpaqueRoot, reportExtraMemoryAllocated, IsoSubspace, HeapAnalyzer, finalize.

View repository on GitHub

SKILL.md

The description above is the indexed summary. With JavaScript enabled, this page also loads the SKILL.md text from GitHub.