Index: ios/chrome/browser/first_run/first_run.mm |
diff --git a/ios/chrome/browser/first_run/first_run.mm b/ios/chrome/browser/first_run/first_run.mm |
index 553cf2003428abbf9aa9815e30afe50736aa3355..4f884549d35022e83ead7172d19b9a8ccd2d8d3d 100644 |
--- a/ios/chrome/browser/first_run/first_run.mm |
+++ b/ios/chrome/browser/first_run/first_run.mm |
@@ -10,6 +10,10 @@ |
#include "components/pref_registry/pref_registry_syncable.h" |
#include "ios/chrome/browser/chrome_paths.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
namespace { |
// The absence of kSentinelFile file will tell us it is a first run. |