Auto merge of #85199 - JohnTitor:rollup-gz5m06c, r=JohnTitor

Rollup of 8 pull requests

Successful merges:

 - #83501 (rustdoc: Add unstable CLI option to show basic type layout information)
 - #85018 (shrinking the deprecated method span)
 - #85124 (rustdoc: remove explicit boolean comparisons.)
 - #85136 (Change param name (k to key and v to value) in std::env module)
 - #85162 (Fix typo in variable name)
 - #85187 (Use .name_str() to format primitive types in error messages)
 - #85191 (Improve rustdoc gui tester)
 - #85196 (Revert "Auto merge of #84797 - richkadel:cover-unreachable-statements…)

Failed merges:

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

Author: bors

compiler/rustc_middle/src/middle/stability.rs

@@ -281,7 +281,13 @@ impl<'tcx> TyCtxt<'tcx> {
     /// If `id` is `Some(_)`, this function will also check if the item at `def_id` has been
     /// deprecated. If the item is indeed deprecated, we will emit a deprecation lint attached to
     /// `id`.
-    pub fn eval_stability(self, def_id: DefId, id: Option<HirId>, span: Span) -> EvalResult {
+    pub fn eval_stability(
+        self,
+        def_id: DefId,
+        id: Option<HirId>,
+        span: Span,
+        method_span: Option<Span>,
+    ) -> EvalResult {
         // Deprecated attributes apply in-crate and cross-crate.
         if let Some(id) = id {
             if let Some(depr_entry) = self.lookup_deprecation_entry(def_id) {
@@ -300,6 +306,7 @@ impl<'tcx> TyCtxt<'tcx> {
                     let path = &with_no_trimmed_paths(|| self.def_path_str(def_id));
                     let kind = self.def_kind(def_id).descr(def_id);
                     let (message, lint) = deprecation_message(&depr_entry.attr, kind, path);
+                    let span = method_span.unwrap_or(span);
                     late_report_deprecation(
                         self,
                         &message,
@@ -382,8 +389,14 @@ impl<'tcx> TyCtxt<'tcx> {
     ///
     /// This function will also check if the item is deprecated.
     /// If so, and `id` is not `None`, a deprecated lint attached to `id` will be emitted.
-    pub fn check_stability(self, def_id: DefId, id: Option<HirId>, span: Span) {
-        self.check_optional_stability(def_id, id, span, |span, def_id| {
+    pub fn check_stability(
+        self,
+        def_id: DefId,
+        id: Option<HirId>,
+        span: Span,
+        method_span: Option<Span>,
+    ) {
+        self.check_optional_stability(def_id, id, span, method_span, |span, def_id| {
             // The API could be uncallable for other reasons, for example when a private module
             // was referenced.
             self.sess.delay_span_bug(span, &format!("encountered unmarked API: {:?}", def_id));
@@ -399,14 +412,15 @@ impl<'tcx> TyCtxt<'tcx> {
         def_id: DefId,
         id: Option<HirId>,
         span: Span,
+        method_span: Option<Span>,
         unmarked: impl FnOnce(Span, DefId),
     ) {
         let soft_handler = |lint, span, msg: &_| {
             self.struct_span_lint_hir(lint, id.unwrap_or(hir::CRATE_HIR_ID), span, |lint| {
                 lint.build(msg).emit()
             })
         };
-        match self.eval_stability(def_id, id, span) {
+        match self.eval_stability(def_id, id, span, method_span) {
             EvalResult::Allow => {}
             EvalResult::Deny { feature, reason, issue, is_soft } => {
                 report_unstable(self.sess, feature, reason, issue, is_soft, span, soft_handler)

compiler/rustc_middle/src/ty/error.rs

@@ -159,10 +159,23 @@ impl<'tcx> fmt::Display for TypeError<'tcx> {
                 )
             }),
             IntMismatch(ref values) => {
-                write!(f, "expected `{:?}`, found `{:?}`", values.expected, values.found)
+                let expected = match values.expected {
+                    ty::IntVarValue::IntType(ty) => ty.name_str(),
+                    ty::IntVarValue::UintType(ty) => ty.name_str(),
+                };
+                let found = match values.found {
+                    ty::IntVarValue::IntType(ty) => ty.name_str(),
+                    ty::IntVarValue::UintType(ty) => ty.name_str(),
+                };
+                write!(f, "expected `{}`, found `{}`", expected, found)
             }
             FloatMismatch(ref values) => {
-                write!(f, "expected `{:?}`, found `{:?}`", values.expected, values.found)
+                write!(
+                    f,
+                    "expected `{}`, found `{}`",
+                    values.expected.name_str(),
+                    values.found.name_str()
+                )
             }
             VariadicMismatch(ref values) => write!(
                 f,

compiler/rustc_mir/src/transform/const_goto.rs

@@ -47,7 +47,7 @@ impl<'tcx> MirPass<'tcx> for ConstGoto {
         // if we applied optimizations, we potentially have some cfg to cleanup to
         // make it easier for further passes
         if should_simplify {
-            simplify_cfg(tcx, body);
+            simplify_cfg(body);
             simplify_locals(body, tcx);
         }
     }

compiler/rustc_mir/src/transform/deduplicate_blocks.rs

@@ -26,7 +26,7 @@ impl<'tcx> MirPass<'tcx> for DeduplicateBlocks {
         if has_opts_to_apply {
             let mut opt_applier = OptApplier { tcx, duplicates };
             opt_applier.visit_body(body);
-            simplify_cfg(tcx, body);
+            simplify_cfg(body);
         }
     }
 }

compiler/rustc_mir/src/transform/early_otherwise_branch.rs

@@ -164,7 +164,7 @@ impl<'tcx> MirPass<'tcx> for EarlyOtherwiseBranch {
         // Since this optimization adds new basic blocks and invalidates others,
         // clean up the cfg to make it nicer for other passes
         if should_cleanup {
-            simplify_cfg(tcx, body);
+            simplify_cfg(body);
         }
     }
 }

compiler/rustc_mir/src/transform/generator.rs

@@ -964,7 +964,7 @@ fn create_generator_drop_shim<'tcx>(
 
     // Make sure we remove dead blocks to remove
     // unrelated code from the resume part of the function
-    simplify::remove_dead_blocks(tcx, &mut body);
+    simplify::remove_dead_blocks(&mut body);
 
     dump_mir(tcx, None, "generator_drop", &0, &body, |_, _| Ok(()));
 
@@ -1137,7 +1137,7 @@ fn create_generator_resume_function<'tcx>(
 
     // Make sure we remove dead blocks to remove
     // unrelated code from the drop part of the function
-    simplify::remove_dead_blocks(tcx, body);
+    simplify::remove_dead_blocks(body);
 
     dump_mir(tcx, None, "generator_resume", &0, body, |_, _| Ok(()));
 }

compiler/rustc_mir/src/transform/inline.rs

@@ -57,7 +57,7 @@ impl<'tcx> MirPass<'tcx> for Inline {
         if inline(tcx, body) {
             debug!("running simplify cfg on {:?}", body.source);
             CfgSimplifier::new(body).simplify();
-            remove_dead_blocks(tcx, body);
+            remove_dead_blocks(body);
         }
     }
 }

compiler/rustc_mir/src/transform/match_branches.rs

@@ -167,7 +167,7 @@ impl<'tcx> MirPass<'tcx> for MatchBranchSimplification {
         }
 
         if should_cleanup {
-            simplify_cfg(tcx, body);
+            simplify_cfg(body);
         }
     }
 }

compiler/rustc_mir/src/transform/multiple_return_terminators.rs

@@ -38,6 +38,6 @@ impl<'tcx> MirPass<'tcx> for MultipleReturnTerminators {
             }
         }
 
-        simplify::remove_dead_blocks(tcx, body)
+        simplify::remove_dead_blocks(body)
     }
 }

compiler/rustc_mir/src/transform/remove_unneeded_drops.rs

@@ -36,7 +36,7 @@ impl<'tcx> MirPass<'tcx> for RemoveUnneededDrops {
         // if we applied optimizations, we potentially have some cfg to cleanup to
         // make it easier for further passes
         if should_simplify {
-            simplify_cfg(tcx, body);
+            simplify_cfg(body);
         }
     }
 }