Auto merge of #96459 - Dylan-DPC:rollup-de6ud9d, r=Dylan-DPC

Rollup of 6 pull requests

Successful merges:

 - #92569 (Improve Error Messaging for Unconstructed Structs and Enum Variants in Generic Contexts)
 - #96370 (Cleanup `report_method_error` a bit)
 - #96383 (Fix erased region escaping into wfcheck due to #95395)
 - #96385 (Recover most `impl Trait` and `dyn Trait` lifetime bound suggestions under NLL)
 - #96410 (rustdoc: do not write `{{root}}` in `pub use ::foo` docs)
 - #96430 (Fix handling of `!` in rustdoc search)

Failed merges:

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

3 files changed, 135 insertions, 1 deletions

diff --git a/src/test/rustdoc-js-std/parser-errors.js b/src/test/rustdoc-js-std/parser-errors.js
index 779ab867c12..dc42031e05f 100644
--- a/src/test/rustdoc-js-std/parser-errors.js
+++ b/src/test/rustdoc-js-std/parser-errors.js
@@ -35,6 +35,8 @@ const QUERY = [
     "a,:",
     "  a<>  :",
     "mod : :",
+    "a!a",
+    "a!!",
 ];
 
 const PARSED = [
@@ -362,4 +364,22 @@ const PARSED = [
         userQuery: "mod : :",
         error: 'Unexpected `:`',
     },
+    {
+        elems: [],
+        foundElems: 0,
+        original: "a!a",
+        returned: [],
+        typeFilter: -1,
+        userQuery: "a!a",
+        error: '`!` can only be at the end of an ident',
+    },
+    {
+        elems: [],
+        foundElems: 0,
+        original: "a!!",
+        returned: [],
+        typeFilter: -1,
+        userQuery: "a!!",
+        error: 'Cannot have more than one `!` in an ident',
+    },
 ];
diff --git a/src/test/rustdoc-js-std/parser-ident.js b/src/test/rustdoc-js-std/parser-ident.js
new file mode 100644
index 00000000000..4b5ab01ac76
--- /dev/null
+++ b/src/test/rustdoc-js-std/parser-ident.js
@@ -0,0 +1,93 @@
+const QUERY = [
+    "R<!>",
+    "!",
+    "a!",
+    "a!::b",
+    "a!::b!",
+];
+
+const PARSED = [
+    {
+        elems: [{
+            name: "r",
+            fullPath: ["r"],
+            pathWithoutLast: [],
+            pathLast: "r",
+            generics: [
+                {
+                    name: "!",
+                    fullPath: ["!"],
+                    pathWithoutLast: [],
+                    pathLast: "!",
+                    generics: [],
+                },
+            ],
+        }],
+        foundElems: 1,
+        original: "R<!>",
+        returned: [],
+        typeFilter: -1,
+        userQuery: "r<!>",
+        error: null,
+    },
+    {
+        elems: [{
+            name: "!",
+            fullPath: ["!"],
+            pathWithoutLast: [],
+            pathLast: "!",
+            generics: [],
+        }],
+        foundElems: 1,
+        original: "!",
+        returned: [],
+        typeFilter: -1,
+        userQuery: "!",
+        error: null,
+    },
+    {
+        elems: [{
+            name: "a!",
+            fullPath: ["a!"],
+            pathWithoutLast: [],
+            pathLast: "a!",
+            generics: [],
+        }],
+        foundElems: 1,
+        original: "a!",
+        returned: [],
+        typeFilter: -1,
+        userQuery: "a!",
+        error: null,
+    },
+    {
+        elems: [{
+            name: "a!::b",
+            fullPath: ["a!", "b"],
+            pathWithoutLast: ["a!"],
+            pathLast: "b",
+            generics: [],
+        }],
+        foundElems: 1,
+        original: "a!::b",
+        returned: [],
+        typeFilter: -1,
+        userQuery: "a!::b",
+        error: null,
+    },
+    {
+        elems: [{
+            name: "a!::b!",
+            fullPath: ["a!", "b!"],
+            pathWithoutLast: ["a!"],
+            pathLast: "b!",
+            generics: [],
+        }],
+        foundElems: 1,
+        original: "a!::b!",
+        returned: [],
+        typeFilter: -1,
+        userQuery: "a!::b!",
+        error: null,
+    },
+];
diff --git a/src/test/rustdoc-js-std/parser-returned.js b/src/test/rustdoc-js-std/parser-returned.js
index b45466aa940..6fce17dcabd 100644
--- a/src/test/rustdoc-js-std/parser-returned.js
+++ b/src/test/rustdoc-js-std/parser-returned.js
@@ -1,4 +1,10 @@
-const QUERY = ['-> F<P>', '-> P', '->,a', 'aaaaa->a'];
+const QUERY = [
+    "-> F<P>",
+    "-> P",
+    "->,a",
+    "aaaaa->a",
+    "-> !",
+];
 
 const PARSED = [
     {
@@ -75,4 +81,19 @@ const PARSED = [
         userQuery: "aaaaa->a",
         error: null,
     },
+    {
+        elems: [],
+        foundElems: 1,
+        original: "-> !",
+        returned: [{
+            name: "!",
+            fullPath: ["!"],
+            pathWithoutLast: [],
+            pathLast: "!",
+            generics: [],
+        }],
+        typeFilter: -1,
+        userQuery: "-> !",
+        error: null,
+    },
 ];