Auto merge of #91959 - matthiaskrgr:rollup-rhajuvw, r=matthiaskrgr

Rollup of 7 pull requests

Successful merges:

 - #90521 (Stabilize `destructuring_assignment`)
 - #91479 (Add `[T]::as_simd(_mut)`)
 - #91584 (Improve code for rustdoc-gui tester)
 - #91886 (core: minor `Option` doc correction)
 - #91888 (Handle unordered const/ty generics for object lifetime defaults)
 - #91905 (Fix source code page sidebar on mobile)
 - #91906 (Removed `in_band_lifetimes` from `library\proc_macro`)

Failed merges:

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

2 files changed, 7 insertions, 18 deletions

diff --git a/src/tools/clippy/tests/ui/crashes/ice-6250.stderr b/src/tools/clippy/tests/ui/crashes/ice-6250.stderr
index 0d7713aa9a2..7ffbd7a64b3 100644
--- a/src/tools/clippy/tests/ui/crashes/ice-6250.stderr
+++ b/src/tools/clippy/tests/ui/crashes/ice-6250.stderr
@@ -1,14 +1,3 @@
-error[E0658]: destructuring assignments are unstable
-  --> $DIR/ice-6250.rs:12:25
-   |
-LL |         Some(reference) = cache.data.get(key) {
-   |         --------------- ^
-   |         |
-   |         cannot assign to this expression
-   |
-   = note: see issue #71126 <https://github.com/rust-lang/rust/issues/71126> for more information
-   = help: add `#![feature(destructuring_assignment)]` to the crate attributes to enable
-
 error[E0601]: `main` function not found in crate `ice_6250`
   --> $DIR/ice-6250.rs:4:1
    |
@@ -41,7 +30,7 @@ error[E0308]: mismatched types
 LL |         Some(reference) = cache.data.get(key) {
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found `()`
 
-error: aborting due to 4 previous errors
+error: aborting due to 3 previous errors
 
-Some errors have detailed explanations: E0308, E0601, E0658.
+Some errors have detailed explanations: E0308, E0601.
 For more information about an error, try `rustc --explain E0308`.
diff --git a/src/tools/rustdoc-gui/tester.js b/src/tools/rustdoc-gui/tester.js
index 3feb4940d87..32340ec7eec 100644
--- a/src/tools/rustdoc-gui/tester.js
+++ b/src/tools/rustdoc-gui/tester.js
@@ -133,7 +133,7 @@ async function main(argv) {
     // Print successful tests too
     let debug = false;
     // Run tests in sequentially
-    let no_headless = false;
+    let headless = true;
     const options = new Options();
     try {
         // This is more convenient that setting fields one by one.
@@ -150,7 +150,7 @@ async function main(argv) {
         }
         if (opts["no_headless"]) {
             args.push("--no-headless");
-            no_headless = true;
+            headless = false;
         }
         options.parseArguments(args);
     } catch (error) {
@@ -172,7 +172,7 @@ async function main(argv) {
     }
     files.sort();
 
-    if (no_headless) {
+    if (!headless) {
         opts["jobs"] = 1;
         console.log("`--no-headless` option is active, disabling concurrency for running tests.");
     }
@@ -181,7 +181,7 @@ async function main(argv) {
 
     if (opts["jobs"] < 1) {
         process.setMaxListeners(files.length + 1);
-    } else if (!no_headless) {
+    } else if (headless) {
         process.setMaxListeners(opts["jobs"] + 1);
     }
 
@@ -226,7 +226,7 @@ async function main(argv) {
             await Promise.race(tests_queue);
         }
     }
-    if (!no_headless && tests_queue.length > 0) {
+    if (tests_queue.length > 0) {
         await Promise.all(tests_queue);
     }
     status_bar.finish();