sprinkle some llvm_unreachable for MSVC (NFC)
#31310
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MSVC does not realize that the switch is exhaustive and requires that
the path is explicitly marked as unreachable. This silences the C4715
warning ("not all control paths return a value").
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CC: @dan-zheng @ematejska |
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@swift-ci please test |
dan-zheng
approved these changes
Apr 25, 2020
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MSVC does not realize that the switch is exhaustive and requires that
the path is explicitly marked as unreachable. This silences the C4715
warning ("not all control paths return a value").
Replace this paragraph with a description of your changes and rationale. Provide links to external references/discussions if appropriate.
Resolves SR-NNNN.