Fix for clang 14: new check was added against substracting from a potential nullptr.

[simgrid.git] / src / mc / remote / AppSide.cpp

diff --git a/src/mc/remote/AppSide.cpp b/src/mc/remote/AppSide.cpp
index 2938475..eeee309 100644 (file)
--- a/src/mc/remote/AppSide.cpp
+++ b/src/mc/remote/AppSide.cpp
@@ -256,7 +256,7 @@ void AppSide::ignore_heap(void* address, std::size_t size) const
     message.fragment = -1;
     heap->heapinfo[message.block].busy_block.ignore++;
   } else {
-    message.fragment = (ADDR2UINT(address) % BLOCKSIZE) >> heap->heapinfo[message.block].type;
+    message.fragment = address ? (ADDR2UINT(address) % BLOCKSIZE) >> heap->heapinfo[message.block].type : 0;
     heap->heapinfo[message.block].busy_frag.ignore[message.fragment]++;
   }