[compiler-rt] [scudo] Add EnableMultiRegions mode (PR #98076)

[Christopher Ferris via llvm-commits]

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@@ -84,6 +84,20 @@ PRIMARY_OPTIONAL(const uptr, CompactPtrScale, SCUDO_MIN_ALIGNMENT_LOG)
 // Indicates support for offsetting the start of a region by a random number of
 // pages. This is only used if `EnableContiguousRegions` is enabled.
 PRIMARY_OPTIONAL(const bool, EnableRandomOffset, false)
+
+// This allows each size class to have multiple regions instead of one. Note
+// that this is an experimental option so it has a few constraints while using.
+//   a. Pointer compaction is diabled. Which means `CompactPtrT` needs to be the
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cferris1000 wrote:

diabled -> disabled

to be the -> to be a

https://github.com/llvm/llvm-project/pull/98076