[se-0405] update availability to a realistic release target

Author: glessard

stdlib/public/core/String.swift

@@ -518,7 +518,7 @@ extension String {
   ///   - encoding: A conformer to `Unicode.Encoding` to be used
   ///               to decode `codeUnits`.
   @inlinable
-  @available(SwiftStdlib 5.10, *)
+  @available(SwiftStdlib 5.11, *)
   public init?<Encoding: Unicode.Encoding>(
     validating codeUnits: some Sequence<Encoding.CodeUnit>,
     as encoding: Encoding.Type
@@ -578,7 +578,7 @@ extension String {
   ///   - encoding: A conformer to `Unicode.Encoding` that can decode
   ///               `codeUnits` as `UInt8`
   @inlinable
-  @available(SwiftStdlib 5.10, *)
+  @available(SwiftStdlib 5.11, *)
   public init?<Encoding>(
     validating codeUnits: some Sequence<Int8>,
     as encoding: Encoding.Type

stdlib/public/core/StringCreate.swift

@@ -2,7 +2,7 @@
 //
 // This source file is part of the Swift.org open source project
 //
-// Copyright (c) 2014 - 2018 Apple Inc. and the Swift project authors
+// Copyright (c) 2014 - 2023 Apple Inc. and the Swift project authors
 // Licensed under Apache License v2.0 with Runtime Library Exception
 //
 // See https://swift.org/LICENSE.txt for license information
@@ -300,7 +300,7 @@ extension String {
   }
 
   @usableFromInline
-  @available(SwiftStdlib 5.10, *)
+  @available(SwiftStdlib 5.11, *)
   internal static func _validate<Encoding: Unicode.Encoding>(
     _ input: UnsafeBufferPointer<Encoding.CodeUnit>,
     as encoding: Encoding.Type

test/stdlib/StringCreate.swift

@@ -149,12 +149,12 @@ let s2 = "Long ascii string with no accented characters (obviously)."
 
 StringCreateTests.test("Validating.utf8")
 .skip(.custom(
-  { if #available(SwiftStdlib 5.10, *) { false } else { true } },
-  reason: "Requires Swift 5.10's standard library"
+  { if #available(SwiftStdlib 5.11, *) { false } else { true } },
+  reason: "Requires Swift 5.11's standard library"
 ))
 .code {
-  guard #available(SwiftStdlib 5.10, *) else { return }
-  
+  guard #available(SwiftStdlib 5.11, *) else { return }
+
   let i1 = Array(s1.utf8)
   let i2 = Array(s2.utf8)
   let i3 = {
@@ -183,11 +183,11 @@ StringCreateTests.test("Validating.utf8")
 
 StringCreateTests.test("Validating.utf8.from.int8")
 .skip(.custom(
-  { if #available(SwiftStdlib 5.10, *) { false } else { true } },
-  reason: "Requires Swift 5.10's standard library"
+  { if #available(SwiftStdlib 5.11, *) { false } else { true } },
+  reason: "Requires Swift 5.11's standard library"
 ))
 .code {
-  guard #available(SwiftStdlib 5.10, *) else { return }
+  guard #available(SwiftStdlib 5.11, *) else { return }
 
   let i1 = s1.utf8.map(Int8.init(bitPattern:))
   let i2 = s2.utf8.map(Int8.init(bitPattern:))
@@ -210,11 +210,11 @@ StringCreateTests.test("Validating.utf8.from.int8")
 
 StringCreateTests.test("Validating.ascii")
 .skip(.custom(
-  { if #available(SwiftStdlib 5.10, *) { false } else { true } },
-  reason: "Requires Swift 5.10's standard library"
+  { if #available(SwiftStdlib 5.11, *) { false } else { true } },
+  reason: "Requires Swift 5.11's standard library"
 ))
 .code {
-  guard #available(SwiftStdlib 5.10, *) else { return }
+  guard #available(SwiftStdlib 5.11, *) else { return }
 
   let i1 = Array(s1.utf8)
   let i2 = Array(s2.utf8)
@@ -237,11 +237,11 @@ StringCreateTests.test("Validating.ascii")
 
 StringCreateTests.test("Validating.utf16")
 .skip(.custom(
-  { if #available(SwiftStdlib 5.10, *) { false } else { true } },
-  reason: "Requires Swift 5.10's standard library"
+  { if #available(SwiftStdlib 5.11, *) { false } else { true } },
+  reason: "Requires Swift 5.11's standard library"
 ))
 .code {
-  guard #available(SwiftStdlib 5.10, *) else { return }
+  guard #available(SwiftStdlib 5.11, *) else { return }
 
   let i1 = Array(s1.utf16)
   let i2 = Array(s2.utf16)
@@ -264,11 +264,11 @@ StringCreateTests.test("Validating.utf16")
 
 StringCreateTests.test("Validating.utf32")
 .skip(.custom(
-  { if #available(SwiftStdlib 5.10, *) { false } else { true } },
-  reason: "Requires Swift 5.10's standard library"
+  { if #available(SwiftStdlib 5.11, *) { false } else { true } },
+  reason: "Requires Swift 5.11's standard library"
 ))
 .code {
-  guard #available(SwiftStdlib 5.10, *) else { return }
+  guard #available(SwiftStdlib 5.11, *) else { return }
 
   let i1 = s1.unicodeScalars.map(\.value)
   let i2 = s2.unicodeScalars.map(\.value)