Meghan Denny 45760cd53c ci: instrument being able to run leaksanitizer (#21142) ...

tests not in `test/no-validate-leaksan.txt` will run with leaksanitizer
in CI
leaks documented in `test/leaksan.supp` will not cause a test failure

-- notes about leaksanitizer

- will not catch garbage collected objects accumulated during
long-running processes
- will not catch js objects (eg a strong held to a promise)
- will catch native calls to `malloc` not `free`d
- will catch allocations made in C, Zig, C++, libc, dependencies,
dlopen'd

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Co-authored-by: Jarred Sumner <jarred@jarredsumner.com>

2025-09-19 02:06:02 -07:00

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