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Auto merge of #143779 - JonathanBrouwer:automatically_derived_parser, r=oli-obk

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Port `#[automatically_derived]` to the new attribute parsing infrastructure

Ports `#[automatically_derived]` to the new attribute parsing infrastructure for https://github.com/rust-lang/rust/issues/131229#issuecomment-2971351163

r? `@oli-obk`
cc `@jdonszelmann`
This commit is contained in:
bors
2025-07-14 04:29:53 +00:00
parent 9c3064e131 68066b90b8
commit ad635e5d06
20 changed files with 92 additions and 50 deletions
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6
compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs
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@@ -2,6 +2,7 @@ use core::ops::ControlFlow;
use rustc_abi::{FieldIdx, VariantIdx};
use rustc_apfloat::Float;
use rustc_attr_data_structures::{AttributeKind, find_attr};
use rustc_data_structures::fx::FxHashSet;
use rustc_errors::Diag;
use rustc_hir as hir;
@@ -15,7 +16,7 @@ use rustc_middle::ty::{
};
use rustc_middle::{mir, span_bug};
use rustc_span::def_id::DefId;
use rustc_span::{DUMMY_SP, Span, sym};
use rustc_span::{DUMMY_SP, Span};
use rustc_trait_selection::traits::ObligationCause;
use rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt;
use tracing::{debug, instrument, trace};
@@ -495,7 +496,8 @@ fn type_has_partial_eq_impl<'tcx>(
let mut structural_peq = false;
let mut impl_def_id = None;
for def_id in tcx.non_blanket_impls_for_ty(partial_eq_trait_id, ty) {
automatically_derived = tcx.has_attr(def_id, sym::automatically_derived);
automatically_derived =
find_attr!(tcx.get_all_attrs(def_id), AttributeKind::AutomaticallyDerived(..));
impl_def_id = Some(def_id);
}
for _ in tcx.non_blanket_impls_for_ty(structural_partial_eq_trait_id, ty) {