[compiler-rt] [scudo] Support setting default value of ReleaseToOsIntervalMs in config (PR #90256)

[Christopher Ferris via llvm-commits]

================
@@ -89,6 +89,7 @@ PRIMARY_REQUIRED(const s32, MaxReleaseToOsIntervalMs)
 // 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)
+PRIMARY_OPTIONAL(const s32, DefaultReleaseToOsIntervalMs, 0)
----------------
cferris1000 wrote:

I think an unset default should be outside the normal range. Maybe something like INT32_MIN. Otherwise you can never default this value to zero.

https://github.com/llvm/llvm-project/pull/90256