Auto merge of rust-lang#115820 - matthiaskrgr:rollup-kyglvpu, r=matthiaskrgr

Rollup of 6 pull requests

Successful merges:

 - rust-lang#115736 (Remove `verbose_generic_activity_with_arg`)
 - rust-lang#115771 (cleanup leftovers of const_err lint)
 - rust-lang#115798 (add helper method for finding the one non-1-ZST field)
 - rust-lang#115812 (Merge settings.css into rustdoc.css)
 - rust-lang#115815 (fix: return early when has tainted in mir pass)
 - rust-lang#115816 (Disabled socketpair for Vita)

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

Author: bors

compiler/rustc_codegen_cranelift/src/driver/aot.rs

@@ -269,7 +269,7 @@ fn module_codegen(
     ),
 ) -> OngoingModuleCodegen {
     let (cgu_name, mut cx, mut module, codegened_functions) =
-        tcx.prof.verbose_generic_activity_with_arg("codegen cgu", cgu_name.as_str()).run(|| {
+        tcx.prof.generic_activity_with_arg("codegen cgu", cgu_name.as_str()).run(|| {
             let cgu = tcx.codegen_unit(cgu_name);
             let mono_items = cgu.items_in_deterministic_order(tcx);
 
@@ -322,35 +322,24 @@ fn module_codegen(
         });
 
     OngoingModuleCodegen::Async(std::thread::spawn(move || {
-        cx.profiler.clone().verbose_generic_activity_with_arg("compile functions", &*cgu_name).run(
-            || {
-                cranelift_codegen::timing::set_thread_profiler(Box::new(super::MeasuremeProfiler(
-                    cx.profiler.clone(),
-                )));
-
-                let mut cached_context = Context::new();
-                for codegened_func in codegened_functions {
-                    crate::base::compile_fn(
-                        &mut cx,
-                        &mut cached_context,
-                        &mut module,
-                        codegened_func,
-                    );
-                }
-            },
-        );
+        cx.profiler.clone().generic_activity_with_arg("compile functions", &*cgu_name).run(|| {
+            cranelift_codegen::timing::set_thread_profiler(Box::new(super::MeasuremeProfiler(
+                cx.profiler.clone(),
+            )));
+
+            let mut cached_context = Context::new();
+            for codegened_func in codegened_functions {
+                crate::base::compile_fn(&mut cx, &mut cached_context, &mut module, codegened_func);
+            }
+        });
 
-        let global_asm_object_file = cx
-            .profiler
-            .verbose_generic_activity_with_arg("compile assembly", &*cgu_name)
-            .run(|| {
+        let global_asm_object_file =
+            cx.profiler.generic_activity_with_arg("compile assembly", &*cgu_name).run(|| {
                 crate::global_asm::compile_global_asm(&global_asm_config, &cgu_name, &cx.global_asm)
             })?;
 
-        let codegen_result = cx
-            .profiler
-            .verbose_generic_activity_with_arg("write object file", &*cgu_name)
-            .run(|| {
+        let codegen_result =
+            cx.profiler.generic_activity_with_arg("write object file", &*cgu_name).run(|| {
                 emit_cgu(
                     &global_asm_config.output_filenames,
                     &cx.profiler,

compiler/rustc_codegen_cranelift/src/vtable.rs

@@ -48,19 +48,12 @@ pub(crate) fn get_ptr_and_method_ref<'tcx>(
 ) -> (Pointer, Value) {
     let (ptr, vtable) = 'block: {
         if let Abi::Scalar(_) = arg.layout().abi {
-            'descend_newtypes: while !arg.layout().ty.is_unsafe_ptr() && !arg.layout().ty.is_ref() {
-                for i in 0..arg.layout().fields.count() {
-                    let field = arg.value_field(fx, FieldIdx::new(i));
-                    if !field.layout().is_1zst() {
-                        // we found the one non-1-ZST field that is allowed
-                        // now find *its* non-zero-sized field, or stop if it's a
-                        // pointer
-                        arg = field;
-                        continue 'descend_newtypes;
-                    }
-                }
-
-                bug!("receiver has no non-zero-sized fields {:?}", arg);
+            while !arg.layout().ty.is_unsafe_ptr() && !arg.layout().ty.is_ref() {
+                let (idx, _) = arg
+                    .layout()
+                    .non_1zst_field(fx)
+                    .expect("not exactly one non-1-ZST field in a `DispatchFromDyn` type");
+                arg = arg.value_field(fx, FieldIdx::new(idx));
             }
         }
 

compiler/rustc_codegen_llvm/src/back/lto.rs

@@ -605,7 +605,7 @@ pub(crate) fn run_pass_manager(
     module: &mut ModuleCodegen<ModuleLlvm>,
     thin: bool,
 ) -> Result<(), FatalError> {
-    let _timer = cgcx.prof.verbose_generic_activity_with_arg("LLVM_lto_optimize", &*module.name);
+    let _timer = cgcx.prof.generic_activity_with_arg("LLVM_lto_optimize", &*module.name);
     let config = cgcx.config(module.kind);
 
     // Now we have one massive module inside of llmod. Time to run the

compiler/rustc_codegen_ssa/src/mir/block.rs

@@ -928,21 +928,11 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
                         // we get a value of a built-in pointer type.
                         //
                         // This is also relevant for `Pin<&mut Self>`, where we need to peel the `Pin`.
-                        'descend_newtypes: while !op.layout.ty.is_unsafe_ptr()
-                            && !op.layout.ty.is_ref()
-                        {
-                            for i in 0..op.layout.fields.count() {
-                                let field = op.extract_field(bx, i);
-                                if !field.layout.is_1zst() {
-                                    // we found the one non-1-ZST field that is allowed
-                                    // now find *its* non-zero-sized field, or stop if it's a
-                                    // pointer
-                                    op = field;
-                                    continue 'descend_newtypes;
-                                }
-                            }
-
-                            span_bug!(span, "receiver has no non-zero-sized fields {:?}", op);
+                        while !op.layout.ty.is_unsafe_ptr() && !op.layout.ty.is_ref() {
+                            let (idx, _) = op.layout.non_1zst_field(bx).expect(
+                                "not exactly one non-1-ZST field in a `DispatchFromDyn` type",
+                            );
+                            op = op.extract_field(bx, idx);
                         }
 
                         // now that we have `*dyn Trait` or `&dyn Trait`, split it up into its
@@ -970,22 +960,11 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
                     }
                     Immediate(_) => {
                         // See comment above explaining why we peel these newtypes
-                        'descend_newtypes: while !op.layout.ty.is_unsafe_ptr()
-                            && !op.layout.ty.is_ref()
-                        {
-                            for i in 0..op.layout.fields.count() {
-                                let field = op.extract_field(bx, i);
-                                if !field.layout.is_1zst() {
-                                    // We found the one non-1-ZST field that is allowed. (The rules
-                                    // for `DispatchFromDyn` ensure there's exactly one such field.)
-                                    // Now find *its* non-zero-sized field, or stop if it's a
-                                    // pointer.
-                                    op = field;
-                                    continue 'descend_newtypes;
-                                }
-                            }
-
-                            span_bug!(span, "receiver has no non-zero-sized fields {:?}", op);
+                        while !op.layout.ty.is_unsafe_ptr() && !op.layout.ty.is_ref() {
+                            let (idx, _) = op.layout.non_1zst_field(bx).expect(
+                                "not exactly one non-1-ZST field in a `DispatchFromDyn` type",
+                            );
+                            op = op.extract_field(bx, idx);
                         }
 
                         // Make sure that we've actually unwrapped the rcvr down

compiler/rustc_const_eval/src/const_eval/error.rs

@@ -4,7 +4,6 @@ use rustc_errors::{DiagnosticArgValue, DiagnosticMessage, IntoDiagnostic, IntoDi
 use rustc_middle::mir::AssertKind;
 use rustc_middle::ty::TyCtxt;
 use rustc_middle::ty::{layout::LayoutError, ConstInt};
-use rustc_span::source_map::Spanned;
 use rustc_span::{ErrorGuaranteed, Span, Symbol};
 
 use super::InterpCx;
@@ -132,35 +131,17 @@ where
 {
     // Special handling for certain errors
     match error {
-        // Don't emit a new diagnostic for these errors
+        // Don't emit a new diagnostic for these errors, they are already reported elsewhere or
+        // should remain silent.
         err_inval!(Layout(LayoutError::Unknown(_))) | err_inval!(TooGeneric) => {
             ErrorHandled::TooGeneric
         }
         err_inval!(AlreadyReported(guar)) => ErrorHandled::Reported(guar),
         err_inval!(Layout(LayoutError::ReferencesError(guar))) => {
             ErrorHandled::Reported(guar.into())
         }
-        err_inval!(Layout(layout_error @ LayoutError::SizeOverflow(_))) => {
-            // We must *always* hard error on these, even if the caller wants just a lint.
-            // The `message` makes little sense here, this is a more serious error than the
-            // caller thinks anyway.
-            // See <https://github.com/rust-lang/rust/pull/63152>.
-            let (our_span, frames) = get_span_and_frames();
-            let span = span.unwrap_or(our_span);
-            let mut err =
-                tcx.sess.create_err(Spanned { span, node: layout_error.into_diagnostic() });
-            err.code(rustc_errors::error_code!(E0080));
-            let Some((mut err, handler)) = err.into_diagnostic() else {
-                panic!("did not emit diag");
-            };
-            for frame in frames {
-                err.eager_subdiagnostic(handler, frame);
-            }
-
-            ErrorHandled::Reported(handler.emit_diagnostic(&mut err).unwrap().into())
-        }
+        // Report remaining errors.
         _ => {
-            // Report as hard error.
             let (our_span, frames) = get_span_and_frames();
             let span = span.unwrap_or(our_span);
             let err = mk(span, frames);

compiler/rustc_const_eval/src/const_eval/eval_queries.rs

@@ -372,7 +372,7 @@ pub fn eval_to_allocation_raw_provider<'tcx>(
             };
             let alloc_id = mplace.ptr().provenance.unwrap();
 
-            // Validation failed, report an error. This is always a hard error.
+            // Validation failed, report an error.
             if let Err(error) = validation {
                 let (error, backtrace) = error.into_parts();
                 backtrace.print_backtrace();

compiler/rustc_const_eval/src/interpret/terminator.rs

@@ -269,19 +269,9 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
         match layout.ty.kind() {
             ty::Adt(adt_def, _) if adt_def.repr().transparent() && may_unfold(*adt_def) => {
                 assert!(!adt_def.is_enum());
-                // Find the non-1-ZST field.
-                let mut non_1zst_fields = (0..layout.fields.count()).filter_map(|idx| {
-                    let field = layout.field(self, idx);
-                    if field.is_1zst() { None } else { Some(field) }
-                });
-                let first = non_1zst_fields.next().expect("`unfold_transparent` called on 1-ZST");
-                assert!(
-                    non_1zst_fields.next().is_none(),
-                    "more than one non-1-ZST field in a transparent type"
-                );
-
-                // Found it!
-                self.unfold_transparent(first, may_unfold)
+                // Find the non-1-ZST field, and recurse.
+                let (_, field) = layout.non_1zst_field(self).unwrap();
+                self.unfold_transparent(field, may_unfold)
             }
             // Not a transparent type, no further unfolding.
             _ => layout,
@@ -797,25 +787,10 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
                         _ => {
                             // Not there yet, search for the only non-ZST field.
                             // (The rules for `DispatchFromDyn` ensure there's exactly one such field.)
-                            let mut non_zst_field = None;
-                            for i in 0..receiver.layout.fields.count() {
-                                let field = self.project_field(&receiver, i)?;
-                                let zst = field.layout.is_1zst();
-                                if !zst {
-                                    assert!(
-                                        non_zst_field.is_none(),
-                                        "multiple non-1-ZST fields in dyn receiver type {}",
-                                        receiver.layout.ty
-                                    );
-                                    non_zst_field = Some(field);
-                                }
-                            }
-                            receiver = non_zst_field.unwrap_or_else(|| {
-                                panic!(
-                                    "no non-1-ZST fields in dyn receiver type {}",
-                                    receiver.layout.ty
-                                )
-                            });
+                            let (idx, _) = receiver.layout.non_1zst_field(self).expect(
+                                "not exactly one non-1-ZST field in a `DispatchFromDyn` type",
+                            );
+                            receiver = self.project_field(&receiver, idx)?;
                         }
                     }
                 };

compiler/rustc_middle/src/mir/mod.rs

@@ -26,6 +26,7 @@ use rustc_target::abi::{FieldIdx, Size, VariantIdx};
 
 use polonius_engine::Atom;
 pub use rustc_ast::Mutability;
+use rustc_data_structures::fx::FxHashMap;
 use rustc_data_structures::fx::FxHashSet;
 use rustc_data_structures::graph::dominators::Dominators;
 use rustc_index::{Idx, IndexSlice, IndexVec};
@@ -36,6 +37,8 @@ use rustc_span::{Span, DUMMY_SP};
 use either::Either;
 
 use std::borrow::Cow;
+use std::cell::RefCell;
+use std::collections::hash_map::Entry;
 use std::fmt::{self, Debug, Display, Formatter, Write};
 use std::ops::{Index, IndexMut};
 use std::{iter, mem};
@@ -98,6 +101,36 @@ impl<'tcx> HasLocalDecls<'tcx> for Body<'tcx> {
     }
 }
 
+thread_local! {
+    static PASS_NAMES: RefCell<FxHashMap<&'static str, &'static str>> = {
+        RefCell::new(FxHashMap::default())
+    };
+}
+
+/// Converts a MIR pass name into a snake case form to match the profiling naming style.
+fn to_profiler_name(type_name: &'static str) -> &'static str {
+    PASS_NAMES.with(|names| match names.borrow_mut().entry(type_name) {
+        Entry::Occupied(e) => *e.get(),
+        Entry::Vacant(e) => {
+            let snake_case: String = type_name
+                .chars()
+                .flat_map(|c| {
+                    if c.is_ascii_uppercase() {
+                        vec!['_', c.to_ascii_lowercase()]
+                    } else if c == '-' {
+                        vec!['_']
+                    } else {
+                        vec![c]
+                    }
+                })
+                .collect();
+            let result = &*String::leak(format!("mir_pass{}", snake_case));
+            e.insert(result);
+            result
+        }
+    })
+}
+
 /// A streamlined trait that you can implement to create a pass; the
 /// pass will be named after the type, and it will consist of a main
 /// loop that goes over each available MIR and applies `run_pass`.
@@ -107,6 +140,10 @@ pub trait MirPass<'tcx> {
         if let Some((_, tail)) = name.rsplit_once(':') { tail } else { name }
     }
 
+    fn profiler_name(&self) -> &'static str {
+        to_profiler_name(self.name())
+    }
+
     /// Returns `true` if this pass is enabled with the current combination of compiler flags.
     fn is_enabled(&self, _sess: &Session) -> bool {
         true

compiler/rustc_mir_transform/src/lib.rs

@@ -606,6 +606,11 @@ fn inner_optimized_mir(tcx: TyCtxt<'_>, did: LocalDefId) -> Body<'_> {
     let body = tcx.mir_drops_elaborated_and_const_checked(did).steal();
     let mut body = remap_mir_for_const_eval_select(tcx, body, hir::Constness::NotConst);
     debug!("body: {:#?}", body);
+
+    if body.tainted_by_errors.is_some() {
+        return body;
+    }
+
     run_optimization_passes(tcx, &mut body);
 
     body

compiler/rustc_mir_transform/src/pass_manager.rs

@@ -94,6 +94,8 @@ fn run_passes_inner<'tcx>(
     let overridden_passes = &tcx.sess.opts.unstable_opts.mir_enable_passes;
     trace!(?overridden_passes);
 
+    let prof_arg = tcx.sess.prof.enabled().then(|| format!("{:?}", body.source.def_id()));
+
     if !body.should_skip() {
         for pass in passes {
             let name = pass.name();
@@ -121,7 +123,14 @@ fn run_passes_inner<'tcx>(
                 validate_body(tcx, body, format!("before pass {name}"));
             }
 
-            tcx.sess.time(name, || pass.run_pass(tcx, body));
+            if let Some(prof_arg) = &prof_arg {
+                tcx.sess
+                    .prof
+                    .generic_activity_with_arg(pass.profiler_name(), &**prof_arg)
+                    .run(|| pass.run_pass(tcx, body));
+            } else {
+                pass.run_pass(tcx, body);
+            }
 
             if dump_enabled {
                 dump_mir_for_pass(tcx, body, &name, true);

compiler/rustc_query_impl/src/plumbing.rs

@@ -348,8 +348,7 @@ pub(crate) fn encode_query_results<'a, 'tcx, Q>(
     Q: super::QueryConfigRestored<'tcx>,
     Q::RestoredValue: Encodable<CacheEncoder<'a, 'tcx>>,
 {
-    let _timer =
-        qcx.profiler().verbose_generic_activity_with_arg("encode_query_results_for", query.name());
+    let _timer = qcx.profiler().generic_activity_with_arg("encode_query_results_for", query.name());
 
     assert!(query.query_state(qcx).all_inactive());
     let cache = query.query_cache(qcx);

compiler/rustc_target/src/abi/mod.rs

@@ -144,4 +144,25 @@ impl<'a, Ty> TyAndLayout<'a, Ty> {
 
         offset
     }
+
+    /// Finds the one field that is not a 1-ZST.
+    /// Returns `None` if there are multiple non-1-ZST fields or only 1-ZST-fields.
+    pub fn non_1zst_field<C>(&self, cx: &C) -> Option<(usize, Self)>
+    where
+        Ty: TyAbiInterface<'a, C> + Copy,
+    {
+        let mut found = None;
+        for field_idx in 0..self.fields.count() {
+            let field = self.field(cx, field_idx);
+            if field.is_1zst() {
+                continue;
+            }
+            if found.is_some() {
+                // More than one non-1-ZST field.
+                return None;
+            }
+            found = Some((field_idx, field));
+        }
+        found
+    }
 }

compiler/rustc_ty_utils/src/abi.rs

@@ -588,19 +588,11 @@ fn make_thin_self_ptr<'tcx>(
         // To get the type `*mut RcBox<Self>`, we just keep unwrapping newtypes until we
         // get a built-in pointer type
         let mut fat_pointer_layout = layout;
-        'descend_newtypes: while !fat_pointer_layout.ty.is_unsafe_ptr()
-            && !fat_pointer_layout.ty.is_ref()
-        {
-            for i in 0..fat_pointer_layout.fields.count() {
-                let field_layout = fat_pointer_layout.field(cx, i);
-
-                if !field_layout.is_1zst() {
-                    fat_pointer_layout = field_layout;
-                    continue 'descend_newtypes;
-                }
-            }
-
-            bug!("receiver has no non-1-ZST fields {:?}", fat_pointer_layout);
+        while !fat_pointer_layout.ty.is_unsafe_ptr() && !fat_pointer_layout.ty.is_ref() {
+            fat_pointer_layout = fat_pointer_layout
+                .non_1zst_field(cx)
+                .expect("not exactly one non-1-ZST field in a `DispatchFromDyn` type")
+                .1
         }
 
         fat_pointer_layout.ty

library/std/src/sys/unix/net.rs

@@ -102,7 +102,7 @@ impl Socket {
         }
     }
 
-    #[cfg(not(target_os = "vxworks"))]
+    #[cfg(not(any(target_os = "vxworks", target_os = "vita")))]
     pub fn new_pair(fam: c_int, ty: c_int) -> io::Result<(Socket, Socket)> {
         unsafe {
             let mut fds = [0, 0];
@@ -133,7 +133,7 @@ impl Socket {
         }
     }
 
-    #[cfg(target_os = "vxworks")]
+    #[cfg(any(target_os = "vxworks", target_os = "vita"))]
     pub fn new_pair(_fam: c_int, _ty: c_int) -> io::Result<(Socket, Socket)> {
         unimplemented!()
     }

src/librustdoc/html/render/context.rs

@@ -714,8 +714,6 @@ impl<'tcx> FormatRenderer<'tcx> for Context<'tcx> {
                             You need to enable JavaScript be able to update your settings.\
                         </section>\
                      </noscript>\
-                     <link rel=\"stylesheet\" \
-                         href=\"{static_root_path}{settings_css}\">\
                      <script defer src=\"{static_root_path}{settings_js}\"></script>\
                      <link rel=\"preload\" href=\"{static_root_path}{theme_light_css}\" \
                          as=\"style\">\
@@ -724,7 +722,6 @@ impl<'tcx> FormatRenderer<'tcx> for Context<'tcx> {
                      <link rel=\"preload\" href=\"{static_root_path}{theme_ayu_css}\" \
                          as=\"style\">",
                     static_root_path = page.get_static_root_path(),
-                    settings_css = static_files::STATIC_FILES.settings_css,
                     settings_js = static_files::STATIC_FILES.settings_js,
                     theme_light_css = static_files::STATIC_FILES.theme_light_css,
                     theme_dark_css = static_files::STATIC_FILES.theme_dark_css,

src/librustdoc/html/static/css/rustdoc.css

@@ -925,6 +925,70 @@ so that we can apply CSS-filters to change the arrow color in themes */
 	top: -5px;
 }
 
+.setting-line {
+	margin: 1.2em 0.6em;
+}
+
+.setting-radio input, .setting-check input {
+	margin-right: 0.3em;
+	height: 1.2rem;
+	width: 1.2rem;
+	border: 2px solid var(--settings-input-border-color);
+	outline: none;
+	-webkit-appearance: none;
+	cursor: pointer;
+}
+.setting-radio input {
+	border-radius: 50%;
+}
+
+.setting-radio span, .setting-check span {
+	padding-bottom: 1px;
+}
+
+.setting-radio {
+	margin-top: 0.1em;
+	margin-bottom: 0.1em;
+	min-width: 3.8em;
+	padding: 0.3em;
+	display: inline-flex;
+	align-items: center;
+	cursor: pointer;
+}
+.setting-radio + .setting-radio {
+	margin-left: 0.5em;
+}
+
+.setting-check {
+	margin-right: 20px;
+	display: flex;
+	align-items: center;
+	cursor: pointer;
+}
+
+.setting-radio input:checked {
+	box-shadow: inset 0 0 0 3px var(--main-background-color);
+	background-color: var(--settings-input-color);
+}
+.setting-check input:checked {
+	background-color: var(--settings-input-color);
+	border-width: 1px;
+	content: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 40 40">\
+		<path d="M7,25L17,32L33,12" fill="none" stroke="black" stroke-width="5"/>\
+		<path d="M7,23L17,30L33,10" fill="none" stroke="white" stroke-width="5"/></svg>');
+}
+.setting-radio input:focus, .setting-check input:focus {
+	box-shadow: 0 0 1px 1px var(--settings-input-color);
+}
+/* In here we combine both `:focus` and `:checked` properties. */
+.setting-radio input:checked:focus {
+	box-shadow: inset 0 0 0 3px var(--main-background-color),
+		0 0 2px 2px var(--settings-input-color);
+}
+.setting-radio input:hover, .setting-check input:hover {
+	border-color: var(--settings-input-color) !important;
+}
+
 /* use larger max-width for help popover, but not for help.html */
 #help.popover {
 	max-width: 600px;

src/librustdoc/html/static/css/settings.css

@@ -176,13 +176,6 @@ function browserSupportsHistoryApi() {
     return window.history && typeof window.history.pushState === "function";
 }
 
-function loadCss(cssUrl) {
-    const link = document.createElement("link");
-    link.href = cssUrl;
-    link.rel = "stylesheet";
-    document.getElementsByTagName("head")[0].appendChild(link);
-}
-
 function preLoadCss(cssUrl) {
     // https://developer.mozilla.org/en-US/docs/Web/HTML/Link_types/preload
     const link = document.createElement("link");
@@ -210,7 +203,6 @@ function preLoadCss(cssUrl) {
         event.preventDefault();
         // Sending request for the CSS and the JS files at the same time so it will
         // hopefully be loaded when the JS will generate the settings content.
-        loadCss(getVar("static-root-path") + getVar("settings-css"));
         loadScript(getVar("static-root-path") + getVar("settings-js"));
         preLoadCss(getVar("static-root-path") + getVar("theme-light-css"));
         preLoadCss(getVar("static-root-path") + getVar("theme-dark-css"));

src/librustdoc/html/static/js/main.js

@@ -91,7 +91,6 @@ macro_rules! static_files {
 
 static_files! {
     rustdoc_css => "static/css/rustdoc.css",
-    settings_css => "static/css/settings.css",
     noscript_css => "static/css/noscript.css",
     normalize_css => "static/css/normalize.css",
     main_js => "static/js/main.js",

src/librustdoc/html/static_files.rs

@@ -33,7 +33,6 @@
          data-channel="{{rust_channel}}" {#+ #}
          data-search-js="{{files.search_js}}" {#+ #}
          data-settings-js="{{files.settings_js}}" {#+ #}
-         data-settings-css="{{files.settings_css}}" {#+ #}
          data-theme-light-css="{{files.theme_light_css}}" {#+ #}
          data-theme-dark-css="{{files.theme_dark_css}}" {#+ #}
          data-theme-ayu-css="{{files.theme_ayu_css}}" {#+ #}

src/librustdoc/html/templates/page.html

@@ -1,6 +1,8 @@
-error[E0080]: values of the type `[u8; usize::MAX]` are too big for the current architecture
+error[E0080]: evaluation of constant value failed
   --> $SRC_DIR/core/src/mem/mod.rs:LL:COL
    |
+   = note: values of the type `[u8; usize::MAX]` are too big for the current architecture
+   |
 note: inside `std::mem::size_of::<[u8; usize::MAX]>`
   --> $SRC_DIR/core/src/mem/mod.rs:LL:COL
 note: inside `main`

tests/ui/limits/issue-55878.stderr

@@ -14,8 +14,10 @@ impl TooBigArray {
 }
 
 static MY_TOO_BIG_ARRAY_1: TooBigArray = TooBigArray::new();
-//~^ ERROR values of the type `[u8; 2305843009213693951]` are too big
+//~^ ERROR could not evaluate static initializer
+//~| too big
 static MY_TOO_BIG_ARRAY_2: [u8; HUGE_SIZE] = [0x00; HUGE_SIZE];
-//~^ ERROR values of the type `[u8; 2305843009213693951]` are too big
+//~^ ERROR could not evaluate static initializer
+//~| too big
 
 fn main() { }

tests/ui/limits/issue-56762.rs

@@ -1,14 +1,14 @@
-error[E0080]: values of the type `[u8; 2305843009213693951]` are too big for the current architecture
+error[E0080]: could not evaluate static initializer
   --> $DIR/issue-56762.rs:16:1
    |
 LL | static MY_TOO_BIG_ARRAY_1: TooBigArray = TooBigArray::new();
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ values of the type `[u8; 2305843009213693951]` are too big for the current architecture
 
-error[E0080]: values of the type `[u8; 2305843009213693951]` are too big for the current architecture
-  --> $DIR/issue-56762.rs:18:1
+error[E0080]: could not evaluate static initializer
+  --> $DIR/issue-56762.rs:19:1
    |
 LL | static MY_TOO_BIG_ARRAY_2: [u8; HUGE_SIZE] = [0x00; HUGE_SIZE];
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ values of the type `[u8; 2305843009213693951]` are too big for the current architecture
 
 error: aborting due to 2 previous errors
 

tests/ui/limits/issue-56762.stderr

@@ -0,0 +1,13 @@
+// compile-flags: --emit=link -Zmir-opt-level=2 -Zpolymorphize=on
+
+fn foo<T>() {
+    let a: [i32; 0] = [];
+    match [a[..]] {
+        //~^ ERROR cannot move a value of type `[i32]
+        //~| ERROR cannot move out of type `[i32]`, a non-copy slice
+        [[x]] => {}
+        _ => (),
+    }
+}
+
+fn main() {}

tests/ui/unsized/issue-115809.rs

@@ -0,0 +1,19 @@
+error[E0161]: cannot move a value of type `[i32]`
+  --> $DIR/issue-115809.rs:5:12
+   |
+LL |     match [a[..]] {
+   |            ^^^^^ the size of `[i32]` cannot be statically determined
+
+error[E0508]: cannot move out of type `[i32]`, a non-copy slice
+  --> $DIR/issue-115809.rs:5:12
+   |
+LL |     match [a[..]] {
+   |            ^^^^^
+   |            |
+   |            cannot move out of here
+   |            move occurs because value has type `[i32]`, which does not implement the `Copy` trait
+
+error: aborting due to 2 previous errors
+
+Some errors have detailed explanations: E0161, E0508.
+For more information about an error, try `rustc --explain E0161`.