Moar test fixes

stdlib/public/core/Slab.swift

@@ -347,7 +347,7 @@ extension Slab where Element: ~Copyable {
 }
 
 //===----------------------------------------------------------------------===//
-// Reduce and Swap
+// Swap
 //===----------------------------------------------------------------------===//
 
 @available(SwiftStdlib 6.1, *)

test/DebugInfo/value-generics-embedded.swift

@@ -1,5 +1,7 @@
 // RUN: %target-swift-frontend %s -target %target-cpu-apple-macos14 -emit-ir -g -enable-experimental-feature ValueGenerics -enable-experimental-feature Embedded -wmo -disable-availability-checking -o - | %FileCheck %s
 
+// REQUIRES: OS=macosx
+
 // REQUIRES: swift_feature_Embedded
 // REQUIRES: swift_feature_ValueGenerics
 

test/Sema/typo_correction.swift

@@ -10,7 +10,7 @@ import NoSuchModule
 
 // This is close enough to get typo-correction.
 func test_short_and_close() {
-  let plop = 4 // expected-note {{'plop' declared here}}
+  let plop = 4 // expected-note {{did you mean 'plop'?}}
   let bab = plob + 1
   // expected-error@-1 {{cannot find 'plob' in scope}}
 }

test/abi/macOS/x86_64/stdlib.swift

@@ -810,3 +810,15 @@ Added: _$ss13_SwiftifyInfoON
 
 // Eager-lazy Array bridging
 Added: _$ss12_ArrayBufferV14associationKeySVvpZMV
+
+// Slab metadata accessor
+Added: _$ss4SlabVMa
+
+// Slab nominal type descriptor
+Added: _$ss4SlabVMn
+
+// Slab.count property descriptor
+Added: _$ss4SlabVsRi__rlE5countSivpZMV
+
+// Slab._storage _read accessor
+Added: _$ss4SlabVsRi__rlE8_storagexq_BVvr