launder

Author: jhuber6

libc/src/__support/GPU/allocator.cpp

@@ -560,8 +560,8 @@ void *reallocate(void *ptr, uint64_t size) {
     return nullptr;
 
   // The original slab pointer is the 2MiB boundary using the given pointer.
-  Slab *slab = reinterpret_cast<Slab *>(
-      (reinterpret_cast<uintptr_t>(ptr) & ~SLAB_ALIGNMENT));
+  Slab *slab = cpp::launder(reinterpret_cast<Slab *>(
+      (reinterpret_cast<uintptr_t>(ptr) & ~SLAB_ALIGNMENT)));
   if (slab->get_chunk_size() >= size)
     return ptr;