1 files changed, 1 insertions, 1 deletions
diff --git a/js/src/jsdtoa.cpp b/js/src/jsdtoa.cpp
index e7ee040601..0414365e6a 100644
--- a/js/src/jsdtoa.cpp
+++ b/js/src/jsdtoa.cpp
@@ -146,7 +146,7 @@ js_dtostr(DtoaState* state, char* buffer, size_t bufferSize, JSDToStrMode mode,
             case DTOSTR_EXPONENTIAL:
                 MOZ_ASSERT(precision > 0);
                 minNDigits = precision;
-                MOZ_FALLTHROUGH;
+                [[fallthrough]];
             case DTOSTR_STANDARD_EXPONENTIAL:
                 exponentialNotation = true;
                 break;