Auto merge of #108052 - matthiaskrgr:rollup-p6r6rnl, r=matthiaskrgr

Rollup of 10 pull requests

Successful merges:

 - #103478 ( Suggest fix for misplaced generic params on fn item #103366 )
 - #107739 (Check for overflow in evaluate_canonical_goal)
 - #108003 (Avoid ICE when the generic_span is empty)
 - #108016 ("Basic usage" is redundant for there is just one example)
 - #108023 (Shrink size of array benchmarks)
 - #108024 (add message to update Cargo.toml when x is changed)
 - #108025 (rustdoc: add more tooltips to intra-doc links)
 - #108029 (s/eval_usize/eval_target_usize/ for clarity)
 - #108035 (Avoid using a dead email address as the main email address)
 - #108038 (Remove needless supertrait constraints from Interner projections)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup

Author: bors

.mailmap

@@ -419,18 +419,18 @@ Nixon Enraght-Moony <nixon.emoony@gmail.com>
 NODA Kai <nodakai@gmail.com>
 oliver <16816606+o752d@users.noreply.github.com>
 Oliver Middleton <olliemail27@gmail.com> <ollie27@users.noreply.github.com>
-Oliver Scherer <oliver.schneider@kit.edu> <git-spam-no-reply9815368754983@oli-obk.de>
-Oliver Scherer <oliver.schneider@kit.edu> <git-spam9815368754983@oli-obk.de>
-Oliver Scherer <oliver.schneider@kit.edu> <github333195615777966@oli-obk.de>
-Oliver Scherer <oliver.schneider@kit.edu> <rust19446194516@oli-obk.de>
-Oliver Scherer <oliver.schneider@kit.edu> <git-no-reply-9879165716479413131@oli-obk.de>
-Oliver Scherer <oliver.schneider@kit.edu> <git1984941651981@oli-obk.de>
-Oliver Scherer <oliver.schneider@kit.edu> <github35764891676564198441@oli-obk.de>
-Oliver Scherer <oliver.schneider@kit.edu> <github6541940@oli-obk.de>
-Oliver Scherer <oliver.schneider@kit.edu> <oli-obk@users.noreply.github.com>
-Oliver Scherer <oliver.schneider@kit.edu> <public.oliver.schneider@kit.edu>
-Oliver Scherer <oliver.schneider@kit.edu> <obk8176014uqher834@olio-obk.de>
-Oliver Scherer <oliver.schneider@kit.edu>
+Oliver Scherer <oli-obk@users.noreply.github.com> <git-spam-no-reply9815368754983@oli-obk.de>
+Oliver Scherer <oli-obk@users.noreply.github.com> <git-spam9815368754983@oli-obk.de>
+Oliver Scherer <oli-obk@users.noreply.github.com> <github333195615777966@oli-obk.de>
+Oliver Scherer <oli-obk@users.noreply.github.com> <rust19446194516@oli-obk.de>
+Oliver Scherer <oli-obk@users.noreply.github.com> <git-no-reply-9879165716479413131@oli-obk.de>
+Oliver Scherer <oli-obk@users.noreply.github.com> <git1984941651981@oli-obk.de>
+Oliver Scherer <oli-obk@users.noreply.github.com> <github35764891676564198441@oli-obk.de>
+Oliver Scherer <oli-obk@users.noreply.github.com> <github6541940@oli-obk.de>
+Oliver Scherer <oli-obk@users.noreply.github.com> <public.oliver.schneider@kit.edu>
+Oliver Scherer <oli-obk@users.noreply.github.com> <oliver.schneider@kit.edu>
+Oliver Scherer <oli-obk@users.noreply.github.com> <obk8176014uqher834@olio-obk.de>
+Oliver Scherer <oli-obk@users.noreply.github.com>
 Ömer Sinan Ağacan <omeragacan@gmail.com>
 Ophir LOJKINE <pere.jobs@gmail.com>
 Ožbolt Menegatti <ozbolt.menegatti@gmail.com> gareins <ozbolt.menegatti@gmail.com>

compiler/rustc_borrowck/src/type_check/mod.rs

@@ -1782,7 +1782,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> {
                 // than 1.
                 // If the length is larger than 1, the repeat expression will need to copy the
                 // element, so we require the `Copy` trait.
-                if len.try_eval_usize(tcx, self.param_env).map_or(true, |len| len > 1) {
+                if len.try_eval_target_usize(tcx, self.param_env).map_or(true, |len| len > 1) {
                     match operand {
                         Operand::Copy(..) | Operand::Constant(..) => {
                             // These are always okay: direct use of a const, or a value that can evidently be copied.

compiler/rustc_codegen_cranelift/src/base.rs

@@ -857,7 +857,7 @@ fn codegen_stmt<'tcx>(
 fn codegen_array_len<'tcx>(fx: &mut FunctionCx<'_, '_, 'tcx>, place: CPlace<'tcx>) -> Value {
     match *place.layout().ty.kind() {
         ty::Array(_elem_ty, len) => {
-            let len = fx.monomorphize(len).eval_usize(fx.tcx, ParamEnv::reveal_all()) as i64;
+            let len = fx.monomorphize(len).eval_target_usize(fx.tcx, ParamEnv::reveal_all()) as i64;
             fx.bcx.ins().iconst(fx.pointer_type, len)
         }
         ty::Slice(_elem_ty) => {

compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs

@@ -141,7 +141,7 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
                 let idx_ty = fx.monomorphize(idx.ty(fx.mir, fx.tcx));
                 match idx_ty.kind() {
                     ty::Array(ty, len) if matches!(ty.kind(), ty::Uint(ty::UintTy::U32)) => len
-                        .try_eval_usize(fx.tcx, ty::ParamEnv::reveal_all())
+                        .try_eval_target_usize(fx.tcx, ty::ParamEnv::reveal_all())
                         .unwrap_or_else(|| {
                             span_bug!(span, "could not evaluate shuffle index array length")
                         })
@@ -735,7 +735,7 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
                 ty::Uint(i) if i.bit_width() == Some(expected_int_bits) => {}
                 ty::Array(elem, len)
                     if matches!(elem.kind(), ty::Uint(ty::UintTy::U8))
-                        && len.try_eval_usize(fx.tcx, ty::ParamEnv::reveal_all())
+                        && len.try_eval_target_usize(fx.tcx, ty::ParamEnv::reveal_all())
                             == Some(expected_bytes) => {}
                 _ => {
                     fx.tcx.sess.span_fatal(

compiler/rustc_codegen_cranelift/src/unsize.rs

@@ -24,7 +24,7 @@ pub(crate) fn unsized_info<'tcx>(
         (&ty::Array(_, len), &ty::Slice(_)) => fx
             .bcx
             .ins()
-            .iconst(fx.pointer_type, len.eval_usize(fx.tcx, ParamEnv::reveal_all()) as i64),
+            .iconst(fx.pointer_type, len.eval_target_usize(fx.tcx, ParamEnv::reveal_all()) as i64),
         (
             &ty::Dynamic(ref data_a, _, src_dyn_kind),
             &ty::Dynamic(ref data_b, _, target_dyn_kind),

compiler/rustc_codegen_cranelift/src/value_and_place.rs

@@ -564,8 +564,8 @@ impl<'tcx> CPlace<'tcx> {
             CPlaceInner::Var(_local, var) => {
                 if let ty::Array(element, len) = dst_layout.ty.kind() {
                     // Can only happen for vector types
-                    let len =
-                        u32::try_from(len.eval_usize(fx.tcx, ParamEnv::reveal_all())).unwrap();
+                    let len = u32::try_from(len.eval_target_usize(fx.tcx, ParamEnv::reveal_all()))
+                        .unwrap();
                     let vector_ty = fx.clif_type(*element).unwrap().by(len).unwrap();
 
                     let data = match from.0 {