diff --git a/compiler-rt/lib/scudo/standalone/local_cache.h b/compiler-rt/lib/scudo/standalone/local_cache.h
--- a/compiler-rt/lib/scudo/standalone/local_cache.h
+++ b/compiler-rt/lib/scudo/standalone/local_cache.h
@@ -189,7 +189,7 @@
     for (uptr I = 0; I < NumClasses; I++) {
       PerClass *P = &PerClassArray[I];
       const uptr Size = SizeClassAllocator::getSizeByClassId(I);
-      P->MaxCount = 2 * TransferBatch::getMaxCached(Size);
+      P->MaxCount = static_cast<u16>(2) * TransferBatch::getMaxCached(Size);
       if (I != BatchClassId) {
         P->ClassSize = Size;
       } else {