1 files changed, 2 insertions, 0 deletions
diff --git a/lib/util.h b/lib/util.h
index 3f5bcb5f..6b5c89e6 100644
--- a/lib/util.h
+++ b/lib/util.h
@@ -31,6 +31,8 @@
 #define FALLTHROUGH [[fallthrough]]
 #elif __has_cpp_attribute(clang::fallthrough)
 #define FALLTHROUGH [[clang::fallthrough]]
+#elif __has_cpp_attribute(gnu::fallthrough)
+#define FALLTHROUGH [[gnu::fallthrough]]
 #else
 #define FALLTHROUGH // -fallthrough
 #endif