1 files changed, 1 insertions, 1 deletions
diff --git a/js/src/jit/BacktrackingAllocator.cpp b/js/src/jit/BacktrackingAllocator.cpp
index 04078cb20c..af1a9789ac 100644
--- a/js/src/jit/BacktrackingAllocator.cpp
+++ b/js/src/jit/BacktrackingAllocator.cpp
@@ -2533,7 +2533,7 @@ BacktrackingAllocator::computeSpillWeight(LiveBundle* bundle)
 
               case LUse::FIXED:
                 fixed = true;
-                MOZ_FALLTHROUGH;
+                [[fallthrough]];
               case LUse::REGISTER:
                 usesTotal += 2000;
                 break;