bjoernager/rust
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Auto merge of #109626 - matthiaskrgr:rollup-k0y7bdd, r=matthiaskrgr

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Rollup of 6 pull requests

Successful merges:

 - #109007 (rustdoc: skip `// some variants omitted` if enum is `#[non_exhaustive]`)
 - #109593 (Rustdoc Book refer to rustdoc::missing_doc_code_examples. Fixes #109592.)
 - #109595 (Improve "Auto-hide trait implementation documentation" GUI test)
 - #109619 (Still-further-specializable projections are ambiguous in new solver)
 - #109620 (Correct typo (`back_box` -> `black_box`))
 - #109621 (Refactor: `VariantIdx::from_u32(0)` -> `FIRST_VARIANT`)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
This commit is contained in:
bors 2023-03-26 12:05:38 +00:00
commit 89c2e3d3d7
37 changed files with 252 additions and 97 deletions
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4
compiler/rustc_mir_transform/src/inline.rs
View file

@ -10,7 +10,7 @@ use rustc_middle::mir::*;
use rustc_middle::ty::{self, Instance, InstanceDef, ParamEnv, Ty, TyCtxt};
use rustc_session::config::OptLevel;
use rustc_span::{hygiene::ExpnKind, ExpnData, LocalExpnId, Span};
use rustc_target::abi::VariantIdx;
use rustc_target::abi::FIRST_VARIANT;
use rustc_target::spec::abi::Abi;
use crate::simplify::{remove_dead_blocks, CfgSimplifier};
@ -904,7 +904,7 @@ impl<'tcx> Visitor<'tcx> for CostChecker<'_, 'tcx> {
check_equal(self, *f_ty);
}
ty::Adt(adt_def, substs) => {
let var = parent_ty.variant_index.unwrap_or(VariantIdx::from_u32(0));
let var = parent_ty.variant_index.unwrap_or(FIRST_VARIANT);
let Some(field) = adt_def.variant(var).fields.get(f.as_usize()) else {
self.validation = Err("malformed MIR");
return;

9
compiler/rustc_mir_transform/src/shim.rs
View file

@ -5,7 +5,7 @@ use rustc_middle::mir::*;
use rustc_middle::ty::query::Providers;
use rustc_middle::ty::InternalSubsts;
use rustc_middle::ty::{self, EarlyBinder, GeneratorSubsts, Ty, TyCtxt};
use rustc_target::abi::VariantIdx;
use rustc_target::abi::{VariantIdx, FIRST_VARIANT};
use rustc_index::vec::{Idx, IndexVec};
@ -816,11 +816,8 @@ pub fn build_adt_ctor(tcx: TyCtxt<'_>, ctor_id: DefId) -> Body<'_> {
let source_info = SourceInfo::outermost(span);
let variant_index = if adt_def.is_enum() {
adt_def.variant_index_with_ctor_id(ctor_id)
} else {
VariantIdx::new(0)
};
let variant_index =
if adt_def.is_enum() { adt_def.variant_index_with_ctor_id(ctor_id) } else { FIRST_VARIANT };
// Generate the following MIR:
//