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debuginfo: Stabilize -Z debug-macros, -Z collapse-macro-debuginfo and #[collapse_debuginfo]

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`-Z debug-macros` is "stabilized" by enabling it by default and removing.

`-Z collapse-macro-debuginfo` is stabilized as `-C collapse-macro-debuginfo`.
It now supports all typical boolean values (`parse_opt_bool`) in addition to just yes/no.

Default value of `collapse_debuginfo` was changed from `false` to `external` (i.e. collapsed if external, not collapsed if local).
`#[collapse_debuginfo]` attribute without a value is no longer supported to avoid guessing the default.
This commit is contained in:
Vadim Petrochenkov 2024-02-09 15:39:25 +03:00
parent 9e6c4fddda
commit 98804c1786
31 changed files with 209 additions and 339 deletions
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2
compiler/rustc_feature/src/accepted.rs
View file

@ -98,6 +98,8 @@ declare_features! (
(accepted, closure_to_fn_coercion, "1.19.0", Some(39817)),
/// Allows using the CMPXCHG16B target feature.
(accepted, cmpxchg16b_target_feature, "1.69.0", Some(44839)),
/// Allows use of the `#[collapse_debuginfo]` attribute.
(accepted, collapse_debuginfo, "CURRENT_RUSTC_VERSION", Some(100758)),
/// Allows usage of the `compile_error!` macro.
(accepted, compile_error, "1.20.0", Some(40872)),
/// Allows `impl Trait` in function return types.

9
compiler/rustc_feature/src/builtin_attrs.rs
View file

@ -450,6 +450,9 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
template!(List: r#"natvis_file = "...", gdb_script_file = "...""#),
DuplicatesOk, EncodeCrossCrate::No
),
ungated!(collapse_debuginfo, Normal, template!(List: "no|external|yes"), ErrorFollowing,
EncodeCrossCrate::Yes
),
// ==========================================================================
// Unstable attributes:
@ -516,12 +519,6 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
EncodeCrossCrate::Yes, experimental!(deprecated_safe),
),
// `#[collapse_debuginfo]`
gated!(
collapse_debuginfo, Normal, template!(Word, List: "no|external|yes"), ErrorFollowing,
EncodeCrossCrate::No, experimental!(collapse_debuginfo)
),
// RFC 2397
gated!(
do_not_recommend, Normal, template!(Word), WarnFollowing,

2
compiler/rustc_feature/src/unstable.rs
View file

@ -395,8 +395,6 @@ declare_features! (
(unstable, closure_track_caller, "1.57.0", Some(87417)),
/// Allows to use the `#[cmse_nonsecure_entry]` attribute.
(unstable, cmse_nonsecure_entry, "1.48.0", Some(75835)),
/// Allows use of the `#[collapse_debuginfo]` attribute.
(unstable, collapse_debuginfo, "1.65.0", Some(100758)),
/// Allows `async {}` expressions in const contexts.
(unstable, const_async_blocks, "1.53.0", Some(85368)),
/// Allows `const || {}` closures in const contexts.