Neaten breadcrumb cast

airspeedswift · airspeedswift · commit c3239b90b492 · 2019-01-31T21:09:40.000-08:00
diff --git a/stdlib/public/core/StringBreadcrumbs.swift b/stdlib/public/core/StringBreadcrumbs.swift
@@ -138,6 +138,7 @@ extension _StringGuts {
     // Thread-safe compare-and-swap
     let crumbs = _StringBreadcrumbs(String(self))
     _stdlib_atomicInitializeARCRef(
-      object: UnsafeMutablePointer(mutating: UnsafeRawPointer(mutPtr).assumingMemoryBound(to: Optional<AnyObject>.self)), desired: crumbs)
+      object: UnsafeMutableRawPointer(mutPtr).assumingMemoryBound(to: Optional<AnyObject>.self), 
+      desired: crumbs)
   }
 }

Original file line number	Diff line number	Diff line change
`@@ -138,6 +138,7 @@ extension _StringGuts {`
`138`	`138`	`// Thread-safe compare-and-swap`
`139`	`139`	`let crumbs = _StringBreadcrumbs(String(self))`
`140`	`140`	`_stdlib_atomicInitializeARCRef(`
`141`		`- object: UnsafeMutablePointer(mutating: UnsafeRawPointer(mutPtr).assumingMemoryBound(to: Optional<AnyObject>.self)), desired: crumbs)`
	`141`	`+ object: UnsafeMutableRawPointer(mutPtr).assumingMemoryBound(to: Optional<AnyObject>.self),`
	`142`	`+ desired: crumbs)`
`142`	`143`	`}`
`143`	`144`	`}`