[llvm] [ASan][ADT] Don't scribble with ASan (PR #79066)

[Vitaly Buka via llvm-commits]

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@@ -317,8 +318,10 @@ template <typename ReturnT, typename... ParamTs> class UniqueFunctionBase {
     // Clear the old callback and inline flag to get back to as-if-null.
     RHS.CallbackAndInlineFlag = {};
 
-#ifndef NDEBUG
-    // In debug builds, we also scribble across the rest of the storage.
+#if !defined(NDEBUG) && !LLVM_ADDRESS_SANITIZER_BUILD
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vitalybuka wrote:

Actually unrelated, lets not do in this patch

https://github.com/llvm/llvm-project/pull/79066