| commit | 510c87381d5e8c28abcdfe9ea0dac817c11ab0b3 | [log] [tgz] |
|---|---|---|
| author | jhorvitz <jhorvitz@google.com> | Fri May 07 05:41:30 2021 -0700 |
| committer | Copybara-Service <copybara-worker@google.com> | Fri May 07 05:42:38 2021 -0700 |
| tree | 001b6d8ae2ae7cf718292f1e1de53a860df26e33 | |
| parent | 6941d8eca7182bf134c76e39fa5f1766074dcac9 [diff] |
Don't use a constant for an empty `PlatformMappingValue`. `PlatformMappingValue` contains strong caches, so using a constant can lead to memory leaks. I observed this in a test I'm working on where `BuildOptions` instances I expected to be GC'd were not. Instead of a constant, just rely on skyframe to reuse the same empty `PlatformMappingValue`, since there's only one possible `SkyKey` that can produce this value. PiperOrigin-RevId: 372538481
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