Kazu Hirata da5a3c959f [MC] Remove SMRange(std::nullopt_t) (#165832) ...

This patch removes SMRange(std::nullopt_t) to reduce the number of
uses of std::nullopt outside the context of std::optional.  Since
there are only a handful of uses, this patch removes the constructor
without going through deprecation.

The use of std::nullopt here has its root in llvm::None, which was
used as a convenient way to indicate "nothing" before we migrated
llvm::Optional to std::optional.

2025-10-31 09:42:15 -07:00

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