X-Git-Url: https://git.saurik.com/apple/javascriptcore.git/blobdiff_plain/8b637bb680022adfddad653280734877951535a9..12899fa232562c774004a3a9d7d3149944dec712:/heap/SlotVisitorInlines.h

diff --git a/heap/SlotVisitorInlines.h b/heap/SlotVisitorInlines.h
index 4273a28..da338ce 100644
--- a/heap/SlotVisitorInlines.h
+++ b/heap/SlotVisitorInlines.h
@@ -174,6 +174,7 @@ inline void SlotVisitor::donateAndDrain()
 
 inline void SlotVisitor::copyLater(JSCell* owner, void* ptr, size_t bytes)
 {
+    ASSERT(bytes);
     CopiedBlock* block = CopiedSpace::blockFor(ptr);
     if (block->isOversize()) {
         m_shared.m_copiedSpace->pin(block);