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V8 strongly caches instantiations of low-serial FunctionTemplates, which pinned Fast API functions and, through them, their DynamicLibrary and trampoline. FunctionTemplate::New() has no opt-out, so add an ObjectTemplate property to make these templates uncacheable, then delete it from the new function. Signed-off-by: Kamat, Trivikram <[email protected]> Assisted-by: claude:opus-5.5
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Codecov Report❌ Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #67177 +/- ##
==========================================
- Coverage 90.68% 90.67% -0.02%
==========================================
Files 797 797
Lines 278790 278805 +15
Branches 53617 53617
==========================================
- Hits 252834 252815 -19
- Misses 16303 16349 +46
+ Partials 9653 9641 -12
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Fixes: #67176
V8 strongly caches instantiations of low-serial
FunctionTemplates, which pinned Fast API functions and, through them, theirDynamicLibraryand trampoline.FunctionTemplate::New()has no cache opt-out, so this adds anObjectTemplateproperty to make these templates uncacheable, then deletes it from the new function.Assisted-by: claude:opus-5.5