1 files changed, 3 insertions, 1 deletions
diff --git a/ninja.cc b/ninja.cc
index fb42444..0b87d5c 100644
--- a/ninja.cc
+++ b/ninja.cc
@@ -530,7 +530,9 @@ class NinjaGenerator {
         case ':':
         case ' ':
           r += '$';
-        // fall through.
+#if defined(__has_cpp_attribute) && __has_cpp_attribute(clang::fallthrough)
+          [[clang::fallthrough]];
+#endif
         default:
           r += c;
       }