Rollup of 8 pull requests

[Manishearth]

Successful merges:

• Implement tuple<->array convertions via From #97594 (Implement tuple<->array convertions via From)
• Add cross-language LLVM CFI support to the Rust compiler #105452 (Add cross-language LLVM CFI support to the Rust compiler)
• Replace generic thread parker with explicit no-op parker #105695 (Replace generic thread parker with explicit no-op parker)
• rustdoc: restructure type search engine to pick-and-use IDs #110371 (rustdoc: restructure type search engine to pick-and-use IDs)
• Update ICU4X to 1.2 #111104 (Update ICU4X to 1.2)
• Constify slice flatten method #111127 (Constify slice flatten method)
• rustc_middle: Fix opt_item_ident for non-local def ids #111146 (rustc_middle: Fix opt_item_ident for non-local def ids)
• Use builtin FFX isolation for Fuchsia test runner #111154 (Use builtin FFX isolation for Fuchsia test runner)

Failed merges:

r? @ghost
@rustbot modify labels: rollup

Create a similar rollup

[Manishearth]

@bors r+ p=5 rollup=never

To be tested after #111153

Once these two rollups land we should give the queue a bit of a breather and let some of the nevers filter through

[bors]

📌 Commit 2d4521f has been approved by Manishearth

It is now in the queue for this repository.

[rust-log-analyzer]

The job x86_64-gnu-llvm-14 failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)

   Compiling rustc_ast_lowering v0.0.0 (/checkout/compiler/rustc_ast_lowering)
   Compiling rustc_query_impl v0.0.0 (/checkout/compiler/rustc_query_impl)
   Compiling rustc_monomorphize v0.0.0 (/checkout/compiler/rustc_monomorphize)
   Compiling rustc_smir v0.0.0 (/checkout/compiler/rustc_smir)
error[E0277]: the trait bound `DiagnosticMessage: From<&std::string::String>` is not satisfied
   --> compiler/rustc_symbol_mangling/src/typeid/typeid_itanium_cxx_abi.rs:537:33
535 | ...                   .struct_span_err(
    |                        --------------- required by a bound introduced by this call
    |                        --------------- required by a bound introduced by this call
536 | ...                       cfi_encoding.span,
537 | ...                       &format!("invalid `cfi_encoding` for `{:?}`", ty.kind()),
    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `From<&std::string::String>` is not implemented for `DiagnosticMessage`
    |
    = note: required for `&std::string::String` to implement `Into<DiagnosticMessage>`
note: required by a bound in `Session::struct_span_err`
    |
    |
409 |         msg: impl Into<DiagnosticMessage>,
    |                   ^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Session::struct_span_err`
   --> /checkout/library/alloc/src/macros.rs:119:23
    |
119 |     ($($arg:tt)*) => {*{
    |                       +
    |                       +

error[E0277]: the trait bound `DiagnosticMessage: From<&std::string::String>` is not satisfied
   --> compiler/rustc_symbol_mangling/src/typeid/typeid_itanium_cxx_abi.rs:589:33
587 | ...                   .struct_span_err(
    |                        --------------- required by a bound introduced by this call
    |                        --------------- required by a bound introduced by this call
588 | ...                       cfi_encoding.span,
589 | ...                       &format!("invalid `cfi_encoding` for `{:?}`", ty.kind()),
    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `From<&std::string::String>` is not implemented for `DiagnosticMessage`
    |
    = note: required for `&std::string::String` to implement `Into<DiagnosticMessage>`
note: required by a bound in `Session::struct_span_err`
    |
    |
409 |         msg: impl Into<DiagnosticMessage>,
    |                   ^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Session::struct_span_err`
   --> /checkout/library/alloc/src/macros.rs:119:23
    |
119 |     ($($arg:tt)*) => {*{
    |                       +

[Manishearth]

#111163