[compiler-rt] [scudo] [MTE] resize stack depot for allocation ring buffer (PR #74515)

[Florian Mayer via llvm-commits]

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@@ -1040,7 +1057,9 @@ class Allocator {
   uptr GuardedAllocSlotSize = 0;
 #endif // GWP_ASAN_HOOKS
 
-  StackDepot Depot;
+  char *RawStackDepot = nullptr;
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fmayer wrote:

We are accessing the entries of the StackDepot through the char* pointer. These entries are past the StackDepot struct, so using a StackDepot* pointer would technically be outside of object bounds. We discussed the same in the CL that made the ring buffer resizable.

https://github.com/llvm/llvm-project/pull/74515