1 files changed, 8 insertions, 0 deletions
diff --git a/js/src/vm/MemoryMetrics.cpp b/js/src/vm/MemoryMetrics.cpp
index 9b6d3dda72..2a28cf23c0 100644
--- a/js/src/vm/MemoryMetrics.cpp
+++ b/js/src/vm/MemoryMetrics.cpp
@@ -17,6 +17,7 @@
 #include "jit/BaselineJIT.h"
 #include "jit/Ion.h"
 #include "vm/ArrayObject.h"
+#include "vm/BigIntType.h"
 #include "vm/Runtime.h"
 #include "vm/Shape.h"
 #include "vm/String.h"
@@ -546,6 +547,13 @@ StatsCellCallback(JSRuntime* rt, void* data, void* thing, JS::TraceKind traceKin
         zStats->symbolsGCHeap += thingSize;
         break;
 
+      case JS::TraceKind::BigInt: {
+        JS::BigInt* bi = static_cast<BigInt*>(thing);
+        zStats->bigIntsGCHeap += thingSize;
+        zStats->bigIntsMallocHeap += bi->sizeOfExcludingThis(rtStats->mallocSizeOf_);
+        break;
+      }
+
       case JS::TraceKind::BaseShape: {
         JS::ShapeInfo info;        // This zeroes all the sizes.
         info.shapesGCHeapBase += thingSize;