swift

a9f497d2 - [utils/swift_build_sdk_interfaces.py] Remove passing '-track-system-dependencies' when prebuilding modules from the interfaces

[utils/swift_build_sdk_interfaces.py] Remove passing '-track-system-dependencies' when prebuilding modules from the interfaces Including all the system header dependencies and `stat`ing them all the time introduces significant performance overhead for normal compilation, and other features like code-completion, without being worth it in practice.