Merge pull request #15194 from slavapestov/enable-resilience-again

Enable resilience again

Author: slavapestov

stdlib/public/core/ClosedRange.swift

@@ -127,6 +127,7 @@ where Bound: Strideable, Bound.Stride: SignedInteger {
 }
 
 extension ClosedRange where Bound : Strideable, Bound.Stride : SignedInteger {
+  @_fixed_layout
   public enum Index {
     case pastEnd
     case inRange(Bound)
@@ -382,7 +383,7 @@ extension ClosedRange: Equatable {
 
 extension ClosedRange : CustomStringConvertible {
   /// A textual representation of the range.
-  @_inlineable // FIXME(sil-serialize-all)...\(
+  @_inlineable // FIXME(sil-serialize-all)...
   public var description: String {
     return "\(lowerBound)...\(upperBound)"
   }

utils/build-script-impl

@@ -70,7 +70,7 @@ KNOWN_SETTINGS=(
     llvm-num-parallel-lto-link-jobs ""           "The number of parallel link jobs to use when compiling llvm"
     swift-stdlib-build-type     "Debug"          "the CMake build variant for Swift"
     swift-stdlib-enable-assertions "1"           "enable assertions in Swift"
-    swift-stdlib-enable-resilience "0"           "build the Swift stdlib and overlays with resilience enabled"
+    swift-stdlib-enable-resilience "1"           "build the Swift stdlib and overlays with resilience enabled"
     swift-stdlib-use-nonatomic-rc "0"            "build the Swift stdlib and overlays with nonatomic reference count operations enabled"
     lldb-build-type             "Debug"          "the CMake build variant for LLDB"
     lldb-build-with-xcode       "1"              "Use xcodebuild to build LLDB, instead of CMake"