[WIP] Use weak linkage instead of compiler generated shims by bjorn3 · Pull Request #134522 · rust-lang/rust (original) (raw)

error[E0308]: mismatched types
   --> src/tools/miri/src/shims/foreign_items.rs:54:69
    |
54  |         match this.emulate_foreign_item_inner(link_name, abi, args, &dest)? {
    |                    --------------------------                       ^^^^^ expected `&MPlaceTy<'_, Provenance>`, found `&&PlaceTy<'_, Provenance>`
    |                    |
    |                    arguments to this method are incorrect
    |
    = note: expected reference `&rustc_const_eval::interpret::MPlaceTy<'_, machine::Provenance>`
               found reference `&&rustc_const_eval::interpret::PlaceTy<'tcx, machine::Provenance>`
---
    |
130 |                     if symbol_name == link_name {
    |                                    ^^ no implementation for `&str == rustc_span::Symbol`
    |
    = help: the trait `std::cmp::PartialEq<rustc_span::Symbol>` is not implemented for `&str`
    = help: the following other types implement trait `std::cmp::PartialEq<Rhs>`:
              `&str` implements `std::cmp::PartialEq<ByteString>`
              `&str` implements `std::cmp::PartialEq<Cow<'_, str>>`
              `&str` implements `std::cmp::PartialEq<OsString>`
              `&str` implements `std::cmp::PartialEq<bstr::bstr::BStr>`
              `&str` implements `std::cmp::PartialEq<bstr::bstring::BString>`
              `&str` implements `std::cmp::PartialEq<rustc_target::json::Json>`
              `&str` implements `std::cmp::PartialEq<std::bstr::ByteStr>`
              `&str` implements `std::cmp::PartialEq<std:🧵:String>`
            and 13 others

error[E0433]: failed to resolve: use of undeclared type `Conv`
   --> src/tools/miri/src/shims/foreign_items.rs:509:61
    |
509 |                     let [size, align] = ecx.check_shim(abi, Conv::Rust, link_name, args)?;
    |                                                             ^^^^ use of undeclared type `Conv`

error[E0433]: failed to resolve: use of undeclared type `Conv`
   --> src/tools/miri/src/shims/foreign_items.rs:544:62
    |
544 |                     let [size, align] = this.check_shim(abi, Conv::Rust, link_name, args)?;
    |                                                              ^^^^ use of undeclared type `Conv`

error[E0433]: failed to resolve: use of undeclared type `Conv`
   --> src/tools/miri/src/shims/foreign_items.rs:571:45
    |
571 |                         ecx.check_shim(abi, Conv::Rust, link_name, args)?;
    |                                             ^^^^ use of undeclared type `Conv`

error[E0433]: failed to resolve: use of undeclared type `Conv`
   --> src/tools/miri/src/shims/foreign_items.rs:606:46
    |
606 |                         this.check_shim(abi, Conv::Rust, link_name, args)?;
    |                                              ^^^^ use of undeclared type `Conv`

error[E0277]: can't compare `&str` with `rustc_span::Symbol`
   --> src/tools/miri/src/shims/foreign_items.rs:130:36
    |
130 |                     if symbol_name == link_name {
    |                                    ^^ no implementation for `&str == rustc_span::Symbol`
    |
    = help: the trait `std::cmp::PartialEq<rustc_span::Symbol>` is not implemented for `&str`
    = help: the following other types implement trait `std::cmp::PartialEq<Rhs>`:
              `&str` implements `std::cmp::PartialEq<ByteString>`
              `&str` implements `std::cmp::PartialEq<Cow<'_, str>>`
              `&str` implements `std::cmp::PartialEq<OsString>`
              `&str` implements `std::cmp::PartialEq<bstr::BStr>`
              `&str` implements `std::cmp::PartialEq<bstr::BString>`
              `&str` implements `std::cmp::PartialEq<bstr::bstr::BStr>`
              `&str` implements `std::cmp::PartialEq<bstr::bstring::BString>`
              `&str` implements `std::cmp::PartialEq<camino::Utf8Path>`
            and 24 others

Some errors have detailed explanations: E0277, E0308, E0433.
For more information about an error, try `rustc --explain E0277`.
[RUSTC-TIMING] miri test:false 3.757