[compiler-rt] [scudo] Add primary option to zero block on dealloc. (PR #142394)

[Christopher Ferris via llvm-commits]

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@@ -34,6 +34,10 @@ SCUDO_FLAG(bool, delete_size_mismatch, true,
 
 SCUDO_FLAG(bool, zero_contents, false, "Zero chunk contents on allocation.")
 
+SCUDO_FLAG(bool, zero_on_dealloc, false,
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cferris1000 wrote:

Is there already a plan to do this, or are you doing this speculatively? If speculatively, then I think you could just add this when you need it. I don't think it's a good idea to add things that may or may not ever be used.

https://github.com/llvm/llvm-project/pull/142394