Fix a warning

Catfish-Man · Catfish-Man · commit f33b8adf7afd · 2025-03-28T14:18:48.000-07:00
diff --git a/stdlib/public/core/StringGuts.swift b/stdlib/public/core/StringGuts.swift
@@ -249,7 +249,7 @@ extension _StringGuts {
       // This branch looks unreachable, but can be reached via `withCString`
       // in binaries that haven't been recompiled since the termination flag
       // was added to _StringObject. Retry the fast path if so.
-      return try withCString(body)
+      return try unsafe withCString(body)
     }
     return try String(self).utf8CString.withUnsafeBufferPointer {
       let ptr = unsafe $0.baseAddress._unsafelyUnwrappedUnchecked

Original file line number	Diff line number	Diff line change
`@@ -249,7 +249,7 @@ extension _StringGuts {`
`249`	`249`	// This branch looks unreachable, but can be reached via `withCString`
`250`	`250`	`// in binaries that haven't been recompiled since the termination flag`
`251`	`251`	`// was added to _StringObject. Retry the fast path if so.`
`252`		`- return try withCString(body)`
	`252`	`+ return try unsafe withCString(body)`
`253`	`253`	`}`
`254`	`254`	`return try String(self).utf8CString.withUnsafeBufferPointer {`
`255`	`255`	`let ptr = unsafe $0.baseAddress._unsafelyUnwrappedUnchecked`