Merging upstream version 1.70.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2 insertions, 3 deletions

diff --git a/compiler/rustc_ty_utils/src/consts.rs b/compiler/rustc_ty_utils/src/consts.rs
index f26352716..b67607a4d 100644
--- a/compiler/rustc_ty_utils/src/consts.rs
+++ b/compiler/rustc_ty_utils/src/consts.rs
@@ -8,7 +8,7 @@ use rustc_middle::ty::abstract_const::CastKind;
 use rustc_middle::ty::{self, Expr, TyCtxt, TypeVisitableExt};
 use rustc_middle::{mir, thir};
 use rustc_span::Span;
-use rustc_target::abi::VariantIdx;
+use rustc_target::abi::{VariantIdx, FIRST_VARIANT};
 
 use std::iter;
 
@@ -44,7 +44,7 @@ pub(crate) fn destructure_const<'tcx>(
                 let (head, rest) = branches.split_first().unwrap();
                 (VariantIdx::from_u32(head.unwrap_leaf().try_to_u32().unwrap()), rest)
             } else {
-                (VariantIdx::from_u32(0), branches)
+                (FIRST_VARIANT, branches)
             };
             let fields = &def.variant(variant_idx).fields;
             let mut field_consts = Vec::with_capacity(fields.len());
@@ -425,7 +425,6 @@ pub fn provide(providers: &mut ty::query::Providers) {
     *providers = ty::query::Providers {
         destructure_const,
         thir_abstract_const: |tcx, def_id| {
-            let def_id = def_id.expect_local();
             if let Some(def) = ty::WithOptConstParam::try_lookup(def_id, tcx) {
                 tcx.thir_abstract_const_of_const_arg(def)
             } else {