These are the only variables I could find that use LIBC_INLINE. Note, these are namespace scoped constexpr so local linkage is implied. inline is useful here to silence clang's unused-const-variable variable. For Fuchsia, the distinction between LIBC_INLINE and LIBC_INLINE_VAR is helpful because we define LIBC_INLINE as `[[gnu::always_inline]] inline` when building with gcc. This isn't meaningful on variables. Alternatively, we could make these variables simply constexpr and also add `[[maybe_unused]]` Reviewed By: sivachandra, mcgrathr Differential Revision: https://reviews.llvm.org/D152951
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