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Change SIGPIPE ui from #[unix_sigpipe = "..."] to -Zon-broken-pipe=...

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In the stabilization attempt of `#[unix_sigpipe = "sig_dfl"]`, a concern
was raised related to using a language attribute for the feature: Long
term, we want `fn lang_start()` to be definable by any crate, not just
libstd. Having a special language attribute in that case becomes
awkward.

So as a first step towards towards the next stabilization attempt, this
PR changes the `#[unix_sigpipe = "..."]` attribute to a compiler flag
`-Zon-broken-pipe=...` to remove that concern, since now the language
is not "contaminated" by this feature.

Another point was also raised, namely that the ui should not leak
**how** it does things, but rather what the **end effect** is. The new
flag uses the proposed naming. This is of course something that can be
iterated on further before stabilization.
This commit is contained in:
Martin Nordholts 2024-04-28 18:02:21 +02:00
parent f3f82a7b9a
commit 938e1a0e2c
1 changed files with 0 additions and 1 deletions
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crates/hir-def/src/attr/builtin.rs
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@ -207,7 +207,6 @@ pub const INERT_ATTRIBUTES: &[BuiltinAttribute] = &[
),
// Entry point:
gated!(unix_sigpipe, Normal, template!(Word, NameValueStr: "inherit|sig_ign|sig_dfl"), ErrorFollowing, experimental!(unix_sigpipe)),
ungated!(start, Normal, template!(Word), WarnFollowing),
ungated!(no_start, CrateLevel, template!(Word), WarnFollowing),
ungated!(no_main, CrateLevel, template!(Word), WarnFollowing),