Auto merge of #119621 - compiler-errors:rollup-5mxtvuk, r=compiler-errors

Rollup of 10 pull requests

Successful merges:

 - #119034 (Allow coverage tests to ignore test modes, and to enable color in coverage reports)
 - #119148 (Tweak suggestions for bare trait used as a type)
 - #119538 (Cleanup error handlers: round 5)
 - #119566 (Remove `-Zdump-mir-spanview`)
 - #119567 (Remove `-Zreport-delayed-bugs`.)
 - #119577 (Migrate memory overlap check from validator to lint)
 - #119583 (Make `intrinsics::assume` const stable)
 - #119586 ([rustdoc] Fix invalid handling for static method calls in jump to definition feature)
 - #119588 (Move `i586-unknown-netbsd` from tier 2 to tier 3 platform support table)
 - #119601 (`Emitter` cleanups)

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

Author: bors

clippy_lints/src/doc/needless_doctest_main.rs

@@ -5,7 +5,7 @@ use crate::doc::{NEEDLESS_DOCTEST_MAIN, TEST_ATTR_IN_DOCTEST};
 use clippy_utils::diagnostics::span_lint;
 use rustc_ast::{CoroutineKind, Fn, FnRetTy, Item, ItemKind};
 use rustc_data_structures::sync::Lrc;
-use rustc_errors::emitter::EmitterWriter;
+use rustc_errors::emitter::HumanEmitter;
 use rustc_errors::DiagCtxt;
 use rustc_lint::LateContext;
 use rustc_parse::maybe_new_parser_from_source_str;
@@ -44,7 +44,7 @@ pub fn check(
 
                 let fallback_bundle =
                     rustc_errors::fallback_fluent_bundle(rustc_driver::DEFAULT_LOCALE_RESOURCES.to_vec(), false);
-                let emitter = EmitterWriter::new(Box::new(io::sink()), fallback_bundle);
+                let emitter = HumanEmitter::new(Box::new(io::sink()), fallback_bundle);
                 let dcx = DiagCtxt::with_emitter(Box::new(emitter)).disable_warnings();
                 #[expect(clippy::arc_with_non_send_sync)] // `Lrc` is expected by with_dcx
                 let sm = Lrc::new(SourceMap::new(FilePathMapping::empty()));

tests/ui/crashes/ice-6251.stderr

@@ -6,7 +6,7 @@ LL | fn bug<T>() -> impl Iterator<Item = [(); { |x: [u8]| x }]> {
    |
    = help: the trait `std::marker::Sized` is not implemented for `[u8]`
    = help: unsized fn params are gated as an unstable feature
-help: function arguments must have a statically known size, borrowed types always have a known size
+help: function arguments must have a statically known size, borrowed slices always have a known size
    |
 LL | fn bug<T>() -> impl Iterator<Item = [(); { |x: &[u8]| x }]> {
    |                                                +