Auto merge of #82718 - JohnTitor:rollup-vpfx3j2, r=JohnTitor

Rollup of 10 pull requests

Successful merges:

 - #81223 ([rustdoc] Generate redirect map file)
 - #82439 (BTree: fix untrue safety)
 - #82469 (Use a crate to produce rustdoc tree comparisons instead of the `diff` command)
 - #82589 (unix: Non-mutable bufs in send_vectored_with_ancillary_to)
 - #82689 (meta: Notify Zulip for rustdoc nominated issues)
 - #82695 (Revert non-power-of-two vector restriction)
 - #82706 (use outer_expn_data() instead of outer_expn().expn_data())
 - #82710 (FloatToInit: Replacing round_unchecked_to --> to_int_unchecked)
 - #82712 (Remove unnecessary conditional `cfg(target_os)` for `redox` and `vxworks`)
 - #82713 (Update cargo)

Failed merges:

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

3 files changed, 1 insertions, 15 deletions

diff --git a/compiler/rustc_middle/src/ty/layout.rs b/compiler/rustc_middle/src/ty/layout.rs
index 725c144257c..6d2ab0e5f5a 100644
--- a/compiler/rustc_middle/src/ty/layout.rs
+++ b/compiler/rustc_middle/src/ty/layout.rs
@@ -732,11 +732,6 @@ impl<'tcx> LayoutCx<'tcx, TyCtxt<'tcx>> {
                 // Can't be caught in typeck if the array length is generic.
                 if e_len == 0 {
                     tcx.sess.fatal(&format!("monomorphising SIMD type `{}` of zero length", ty));
-                } else if !e_len.is_power_of_two() {
-                    tcx.sess.fatal(&format!(
-                        "monomorphising SIMD type `{}` of non-power-of-two length",
-                        ty
-                    ));
                 } else if e_len > MAX_SIMD_LANES {
                     tcx.sess.fatal(&format!(
                         "monomorphising SIMD type `{}` of length greater than {}",
diff --git a/compiler/rustc_resolve/src/lib.rs b/compiler/rustc_resolve/src/lib.rs
index e63fd4ce635..7aee718bfa9 100644
--- a/compiler/rustc_resolve/src/lib.rs
+++ b/compiler/rustc_resolve/src/lib.rs
@@ -1422,7 +1422,7 @@ impl<'a> Resolver<'a> {
 
     fn macro_def(&self, mut ctxt: SyntaxContext) -> DefId {
         loop {
-            match ctxt.outer_expn().expn_data().macro_def_id {
+            match ctxt.outer_expn_data().macro_def_id {
                 Some(def_id) => return def_id,
                 None => ctxt.remove_mark(),
             };
diff --git a/compiler/rustc_typeck/src/check/check.rs b/compiler/rustc_typeck/src/check/check.rs
index 5d7f5bf1c7b..0010d59f710 100644
--- a/compiler/rustc_typeck/src/check/check.rs
+++ b/compiler/rustc_typeck/src/check/check.rs
@@ -1161,15 +1161,6 @@ pub fn check_simd(tcx: TyCtxt<'_>, sp: Span, def_id: LocalDefId) {
                 if len == 0 {
                     struct_span_err!(tcx.sess, sp, E0075, "SIMD vector cannot be empty").emit();
                     return;
-                } else if !len.is_power_of_two() {
-                    struct_span_err!(
-                        tcx.sess,
-                        sp,
-                        E0075,
-                        "SIMD vector length must be a power of two"
-                    )
-                    .emit();
-                    return;
                 } else if len > MAX_SIMD_LANES {
                     struct_span_err!(
                         tcx.sess,