[6.0] Fix CFTimeZone crashes on Windows #5072
Merged
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Explanation: Fixes a new crash in Swift 6 when calling to
CFTimeZone
APIs on WindowsScope: Only impacts
CFTimeZone
on WindowsOriginal PR: #5070
Risk: Low to moderate - introduces a nontrivial amount of new C code, however it has been tested locally and the scope is limited
Testing: Testing done via local testing via the SwiftPM build
Reviewer: @compnerd @itingliu