[llvm] MathExtras: avoid unnecessarily widening types (PR #95426)

[Jay Foad via llvm-commits]

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@@ -355,9 +372,14 @@ constexpr inline uint64_t MinAlign(uint64_t A, uint64_t B) {
   return (A | B) & (1 + ~(A | B));
 }
 
+/// Fallback when arguments aren't integral.
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jayfoad wrote:

Why do you need fallbacks like this? What kind of "non-integral" arguments are used?

https://github.com/llvm/llvm-project/pull/95426