std: Use mem::replace in TLS initialization #30267
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While there is indeed a codegen/soundness bug involving panicking destructors, the root cause of the issue here is that you hold a |
Due to rust-lang#30228 it's not currently sound to do `*ptr = Some(value)`, so instead use `mem::replace` which fixes the soundness hole for now.
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Due to #30228 it's not currently sound to do `*ptr = Some(value)`, so instead use `mem::replace` which fixes the soundness hole for now.
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Due to #30228 it's not currently sound to do
*ptr = Some(value), so insteaduse
mem::replacewhich fixes the soundness hole for now.