[compiler-rt] [scudo] Handle failed mmap for allocation ring buffer (PR #71817)

[Florian Mayer via llvm-commits]

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@@ -1501,6 +1503,11 @@ class Allocator {
                 getPageSizeCached()),
         "scudo:ring_buffer");
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fmayer wrote:

Ah! I missed that. I didn't actually see that, just wanted to add this as a precaution. So I think this CL is not needed.

https://github.com/llvm/llvm-project/pull/71817