[libc-commits] [libc] [libc][NFC] Rename `MANTISSA_WIDTH` in `FRACTION_BITS` (PR #75489)

[via libc-commits]

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@@ -33,37 +33,37 @@ template <> struct FPBits<long double> : private FloatProperties<long double> {
   using FloatProperties<long double>::EXPONENT_MASK;
   using FloatProperties<long double>::EXPONENT_BIAS;
   using FloatProperties<long double>::EXPONENT_WIDTH;
-  using FloatProperties<long double>::MANTISSA_MASK;
-  using FloatProperties<long double>::MANTISSA_WIDTH;
+  using FloatProperties<long double>::FRACTION_MASK;
+  using FloatProperties<long double>::FRACTION_BITS;
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lntue wrote:

`_LEN` SGTM.
One way of resolving the `UINTTYPE_BITS` that I was thinking is to change `UIntType` to `StorageType` and then `STORAGE_LEN` would make sense.  WDYT?

https://github.com/llvm/llvm-project/pull/75489