Auto merge of #136035 - SpecificProtagonist:miri-zeroed-alloc, r=oli-obk

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miri: optimize zeroed alloc

When allocating zero-initialized memory in MIR interpretation, rustc allocates zeroed memory, marks it as initialized and then re-zeroes it. Remove the last step.

I don't expect this to have much of an effect on performance normally, but in my case in which I'm creating a large allocation via mmap it gets in the way.

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bors 2025-01-30 01:27:21 +00:00

parent e89b5df104 fb2f5df411

commit 3c03203e03

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