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Date: Thu, 21 Jan 2021 17:20:47 +0100
From: Florian Weimer <>
To: Rich Felker <>
Cc: Natanael Copa <>,,  "Alex
 Xu (Hello71)" <>
Subject: Re: [PATCH] don't set errno in free

* Rich Felker:

> This is much costlier. It puts the TLS access (faulting and emulating
> on old MIPS) in the path that runs on every call.

It's also a significant hit on certain modern AArch64 variants, which is
a bit sad.

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