Mark ClosedRange->Range conversion inlinable (#21998)
diff --git a/stdlib/public/core/ClosedRange.swift b/stdlib/public/core/ClosedRange.swift
index 1468ab8..db1b1ff 100644
--- a/stdlib/public/core/ClosedRange.swift
+++ b/stdlib/public/core/ClosedRange.swift
@@ -433,6 +433,7 @@
/// An equivalent range must be representable as a closed range.
/// For example, passing an empty range as `other` triggers a runtime error,
/// because an empty range cannot be represented by a closed range instance.
+ @inlinable
public init(_ other: Range<Bound>) {
_precondition(!other.isEmpty, "Can't form an empty closed range")
let upperBound = other.upperBound.advanced(by: -1)
