Auto merge of #94225 - matthiaskrgr:rollup-0728x8n, r=matthiaskrgr

Rollup of 10 pull requests

Successful merges:

 - #91192 (Some improvements to the async docs)
 - #94143 (rustc_const_eval: adopt let else in more places)
 - #94156 (Gracefully handle non-UTF-8 string slices when pretty printing)
 - #94186 (Update pin_static_ref stabilization version.)
 - #94189 (Implement LowerHex on Scalar to clean up their display in rustdoc)
 - #94190 (Use Metadata::modified instead of FileTime::from_last_modification_ti…)
 - #94203 (CTFE engine: Scalar: expose size-generic to_(u)int methods)
 - #94211 (Better error if the user tries to do assignment ... else)
 - #94215 (trait system: comments and small nonfunctional changes)
 - #94220 (Correctly handle miniz_oxide extern crate declaration)

Failed merges:

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

1 files changed, 5 insertions, 9 deletions

diff --git a/compiler/rustc_const_eval/src/interpret/eval_context.rs b/compiler/rustc_const_eval/src/interpret/eval_context.rs
index 1b86bcfa8c9..ab50c709143 100644
--- a/compiler/rustc_const_eval/src/interpret/eval_context.rs
+++ b/compiler/rustc_const_eval/src/interpret/eval_context.rs
@@ -631,15 +631,11 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
                 // the last field).  Can't have foreign types here, how would we
                 // adjust alignment and size for them?
                 let field = layout.field(self, layout.fields.count() - 1);
-                let (unsized_size, unsized_align) =
-                    match self.size_and_align_of(metadata, &field)? {
-                        Some(size_and_align) => size_and_align,
-                        None => {
-                            // A field with an extern type. We don't know the actual dynamic size
-                            // or the alignment.
-                            return Ok(None);
-                        }
-                    };
+                let Some((unsized_size, unsized_align)) = self.size_and_align_of(metadata, &field)? else {
+                    // A field with an extern type. We don't know the actual dynamic size
+                    // or the alignment.
+                    return Ok(None);
+                };
 
                 // FIXME (#26403, #27023): We should be adding padding
                 // to `sized_size` (to accommodate the `unsized_align`