[Openmp-commits] [llvm] [openmp] [Offload] Implement double free (and other allocation error) reporting (PR #100261)

[Johannes Doerfert via Openmp-commits]

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@@ -1337,6 +1340,25 @@ Expected<void *> GenericDeviceTy::dataAlloc(int64_t Size, void *HostPtr,
     if (auto Err = PinnedAllocs.registerHostBuffer(Alloc, Alloc, Size))
       return std::move(Err);
 
+  // Keep track of the allocation stack if we track allocation traces.
+  if (OMPX_TrackAllocationTraces) {
+    std::string StackTrace;
+    llvm::raw_string_ostream OS(StackTrace);
+    llvm::sys::PrintStackTrace(OS);
+
+    AllocationTraceInfoTy *ATI = new AllocationTraceInfoTy();
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jdoerfert wrote:

I don't follow. They will live as long as the runtime.

https://github.com/llvm/llvm-project/pull/100261