Auto merge of #68272 - Dylan-DPC:rollup-vrb90gu, r=Dylan-DPC

Rollup of 5 pull requests

Successful merges:

 - #67780 (Move some queries from rustc::ty to librustc_ty.)
 - #68096 (Clean up some diagnostics by making them more consistent)
 - #68223 (Use 3.6 instead of 3.5 in float fract() documentation)
 - #68265 (Fix some issue numbers of unstable features)
 - #68266 (Changed docs for f32 and f64.)

Failed merges:

 - #68204 (Use named fields for `{ast,hir}::ItemKind::Impl`)

r? @ghost

Cargo.lock

@@ -3652,6 +3652,7 @@ dependencies = [
  "rustc_span",
  "rustc_target",
  "rustc_traits",
+ "rustc_ty",
  "rustc_typeck",
  "serialize",
  "smallvec 1.0.0",
@@ -3953,6 +3954,17 @@ dependencies = [
  "syntax",
 ]
 
+[[package]]
+name = "rustc_ty"
+version = "0.0.0"
+dependencies = [
+ "log",
+ "rustc",
+ "rustc_data_structures",
+ "rustc_hir",
+ "rustc_span",
+]
+
 [[package]]
 name = "rustc_typeck"
 version = "0.0.0"

src/doc/unstable-book/src/language-features/infer-static-outlives-requirements.md

@@ -1,8 +1,8 @@
 # `infer_static_outlives_requirements`
 
-The tracking issue for this feature is: [#44493]
+The tracking issue for this feature is: [#54185]
 
-[#44493]: https://github.com/rust-lang/rust/issues/44493
+[#54185]: https://github.com/rust-lang/rust/issues/54185
 
 ------------------------
 The `infer_static_outlives_requirements` feature indicates that certain

src/doc/unstable-book/src/language-features/member-constraints.md

@@ -1,8 +1,8 @@
 # `member_constraints`
 
-The tracking issue for this feature is: [#61977]
+The tracking issue for this feature is: [#61997]
 
-[#61977]: https://github.com/rust-lang/rust/issues/61977
+[#61997]: https://github.com/rust-lang/rust/issues/61997
 
 ------------------------
 

src/doc/unstable-book/src/language-features/repr128.md

@@ -1,8 +1,8 @@
 # `repr128`
 
-The tracking issue for this feature is: [#35118]
+The tracking issue for this feature is: [#56071]
 
-[#35118]: https://github.com/rust-lang/rust/issues/35118
+[#56071]: https://github.com/rust-lang/rust/issues/56071
 
 ------------------------
 

src/libcore/lib.rs

@@ -44,7 +44,7 @@
 // Here we explicitly #[cfg]-out this whole crate when testing. If we don't do
 // this, both the generated test artifact and the linked libtest (which
 // transitively includes libcore) will both define the same set of lang items,
-// and this will cause the E0152 "duplicate lang item found" error. See
+// and this will cause the E0152 "found duplicate lang item" error. See
 // discussion in #50466 for details.
 //
 // This cfg won't affect doc tests.

src/librustc/middle/lang_items.rs

@@ -184,7 +184,7 @@ impl LanguageItemCollector<'tcx> {
                         self.tcx.sess,
                         span,
                         E0152,
-                        "duplicate lang item found: `{}`.",
+                        "found duplicate lang item `{}`",
                         name
                     ),
                     None => {
@@ -206,12 +206,12 @@ impl LanguageItemCollector<'tcx> {
                     },
                 };
                 if let Some(span) = self.tcx.hir().span_if_local(original_def_id) {
-                    err.span_note(span, "first defined here.");
+                    err.span_note(span, "first defined here");
                 } else {
                     match self.tcx.extern_crate(original_def_id) {
                         Some(ExternCrate {dependency_of, ..}) => {
                             err.note(&format!(
-                            "first defined in crate `{}` (which `{}` depends on).",
+                            "first defined in crate `{}` (which `{}` depends on)",
                                       self.tcx.crate_name(original_def_id.krate),
                                       self.tcx.crate_name(*dependency_of)));
                         },

src/librustc/traits/error_reporting.rs

@@ -1156,7 +1156,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
                 err.span_help(impl_span, "trait impl with same name found");
                 let trait_crate = self.tcx.crate_name(trait_with_same_path.krate);
                 let crate_msg = format!(
-                    "Perhaps two different versions of crate `{}` are being used?",
+                    "perhaps two different versions of crate `{}` are being used?",
                     trait_crate
                 );
                 err.note(&crate_msg);