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Set libc++ hardening mode for libc++ targets #405

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opened 2024-06-19 04:00:18 +00:00 by jade · 0 comments

jade commented

2024-06-19 04:00:18 +00:00

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https://libcxx.llvm.org/Hardening.html#using-hardening-modes

We can make libc++ fail much harder on various UB. It looks like we should try benchmarking extensive mode and see how bad it is. Someone with a Mac needs to do that.

https://libcxx.llvm.org/Hardening.html#using-hardening-modes We can make libc++ fail much harder on various UB. It looks like we should try benchmarking extensive mode and see how bad it is. Someone with a Mac needs to do that.

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Area/build-packaging

regarding the building or packaging of Lix itself

Area/cli

The command line interface of Lix

Area/evaluator

libexpr and anything else related to the evaluation of Nix expressions

Area/fetching

Fetching sources or other materials from the World Wide Web in Lix

Area/flakes

Area/language

language design, features, extensions, etc

Area/profiles

profiles: nix-env, nix profile, and installer flavors all alike

Area/protocol

The protocol, used for communicating between the client and the daemon

libstore and anything else relating to the Nix store

bug

it's a bug

crash 💥

Lix crashes (possibly bad error handling)

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devx

development experience issues

docs

requires or is about documentation changes

Downstream Dependents

regarding an external tool's usage with Lix (e.g. nix-eval-jobs)

E/easy

bug is relatively simple and could simply be fixed with some minor effort

E/hard

this issue should probably be solved with close involvement of an expert

E/help wanted

maintainers may not get to this soon, but we want it fixed

E/reproducible

This bug is reproducible and obvious.

E/requires rearchitecture

this bug cannot be fixed properly without fixing a known architectural flaw

imported

Issue imported from upstream nix (please do not remove this label, it will cause dupes if import is rerun)

Needs Langver

We can't get to this until we implement language versioning

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Affects specifically Lix on Linux

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Affects specifically Lix on macOS

performance

make lix go faster

regression

This is a regression since some previous version of Lix

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stability

Fixing this makes the software more stable

not our bug, duplicate, similar

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closed but should maybe look at later (generally with S-wontfix)

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We chose not to change this (see issue comments for more detail).

testing

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makes the user experience better :)

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Reference: lix-project/lix#405

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