Summary:
This is only defined on Windows, and thus code that compiles on all platforms
may successfully build on Linux/macOS, but not on Windows, making it
potentially harder to detect and debug. Let's unify all platforms to solve
this.
Changelog: [Internal]
Reviewed By: chadaustin
Differential Revision: D34648154
fbshipit-source-id: b2549bb3eb120e6207cab8baaafced8b1b18e6a7