Auto merge of #121549 - matthiaskrgr:rollup-1hvu3lb, r=matthiaskrgr

Rollup of 7 pull requests

Successful merges:

 - #121435 (Account for RPITIT in E0310 explicit lifetime constraint suggestion)
 - #121490 (Rustdoc: include crate name in links for local primitives)
 - #121520 (delay cloning of iterator items)
 - #121522 (check that simd_insert/extract indices are in-bounds)
 - #121531 (Ignore less tests in debug builds)
 - #121539 (compiler/rustc_target/src/spec/base/apple/tests.rs: Avoid unnecessary large move)
 - #121542 (update stdarch)

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

Author: bors

src/shims/intrinsics/simd.rs

@@ -563,9 +563,8 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
                         let right_idx = src_index.checked_sub(left_len).unwrap();
                         this.read_immediate(&this.project_index(&right, right_idx)?)?
                     } else {
-                        span_bug!(
-                            this.cur_span(),
-                            "simd_shuffle index {src_index} is out of bounds for 2 vectors of size {left_len}",
+                        throw_ub_format!(
+                            "`simd_shuffle_generic` index {src_index} is out-of-bounds for 2 vectors with length {dest_len}"
                         );
                     };
                     this.write_immediate(*val, &dest)?;
@@ -604,9 +603,8 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
                         let right_idx = src_index.checked_sub(left_len).unwrap();
                         this.read_immediate(&this.project_index(&right, right_idx)?)?
                     } else {
-                        span_bug!(
-                            this.cur_span(),
-                            "simd_shuffle index {src_index} is out of bounds for 2 vectors of size {left_len}",
+                        throw_ub_format!(
+                            "`simd_shuffle` index {src_index} is out-of-bounds for 2 vectors with length {dest_len}"
                         );
                     };
                     this.write_immediate(*val, &dest)?;

tests/fail/intrinsics/simd-extract.rs

@@ -0,0 +1,8 @@
+#![feature(portable_simd, core_intrinsics)]
+use std::simd::*;
+
+fn main() {
+    let v = i32x4::splat(0);
+    let _x: i32 = unsafe { std::intrinsics::simd::simd_extract(v, 4) };
+    //~^ERROR: index 4 is out-of-bounds
+}

tests/fail/intrinsics/simd-extract.stderr

@@ -0,0 +1,15 @@
+error: Undefined Behavior: `simd_extract` index 4 is out-of-bounds of vector with length 4
+  --> $DIR/simd-extract.rs:LL:CC
+   |
+LL |     let _x: i32 = unsafe { std::intrinsics::simd::simd_extract(v, 4) };
+   |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `simd_extract` index 4 is out-of-bounds of vector with length 4
+   |
+   = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior
+   = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information
+   = note: BACKTRACE:
+   = note: inside `main` at $DIR/simd-extract.rs:LL:CC
+
+note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace
+
+error: aborting due to 1 previous error
+