[compiler-rt] [ASan] Honor `allocator_may_return_null` when set through user-function and fix large alloc edge case (PR #117929)

[via llvm-commits]

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@@ -0,0 +1,27 @@
+// RUN: %clangxx_asan -O0 %s -o %t
+// RUN: %run %t 2>&1
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zmodem wrote:

I think you need to pipe the output through `FileCheck` for the `CHECK` comment below to do anything.

https://github.com/llvm/llvm-project/pull/117929