Merge pull request #18468 from lorentey/deprecated_simulator_macro-4.2
[4.2][stdlib]Remove deprecated TARGET_IPHONE_SIMULATOR reference
diff --git a/stdlib/public/stubs/Availability.mm b/stdlib/public/stubs/Availability.mm
index f1e4750..65ab67c 100644
--- a/stdlib/public/stubs/Availability.mm
+++ b/stdlib/public/stubs/Availability.mm
@@ -30,7 +30,7 @@
static NSDictionary *systemVersionDictionaryFromPlist() {
NSString *plistPath = @"/System/Library/CoreServices/SystemVersion.plist";
-#if TARGET_IPHONE_SIMULATOR
+#if TARGET_OS_SIMULATOR
// When targeting the iOS simulator, look in a special location so we do
// not pick up the host OS version.
const char *simulatorRoot = getenv("IPHONE_SIMULATOR_ROOT");