Auto merge of #77462 - jonas-schievink:rollup-m0rqdh5, r=jonas-schievink

Rollup of 12 pull requests

Successful merges:

 - #76101 (Update RELEASES.md for 1.47.0)
 - #76739 (resolve: prohibit anon const non-static lifetimes)
 - #76811 (Doc alias name restriction)
 - #77405 (Add tracking issue of iter_advance_by feature)
 - #77409 (Add example for iter chain struct)
 - #77415 (Better error message for `async` blocks in a const-context)
 - #77423 (Add `-Zprecise-enum-drop-elaboration`)
 - #77432 (Use posix_spawn on musl targets)
 - #77441 (Fix AVR stack corruption bug)
 - #77442 (Clean up on example doc fixes for ptr::copy)
 - #77444 (Fix span for incorrect pattern field and add label)
 - #77453 (Stop running macOS builds on Azure Pipelines)

Failed merges:

r? `@ghost`

1 files changed, 2 insertions, 1 deletions

diff --git a/compiler/rustc_parse/src/parser/pat.rs b/compiler/rustc_parse/src/parser/pat.rs
index 2c0133a24dc..5aced9dc37c 100644
--- a/compiler/rustc_parse/src/parser/pat.rs
+++ b/compiler/rustc_parse/src/parser/pat.rs
@@ -795,6 +795,7 @@ impl<'a> Parser<'a> {
         }
         self.bump();
         let (fields, etc) = self.parse_pat_fields().unwrap_or_else(|mut e| {
+            e.span_label(path.span, "while parsing the fields for this pattern");
             e.emit();
             self.recover_stmt();
             (vec![], true)
@@ -844,7 +845,7 @@ impl<'a> Parser<'a> {
 
             // check that a comma comes after every field
             if !ate_comma {
-                let err = self.struct_span_err(self.prev_token.span, "expected `,`");
+                let err = self.struct_span_err(self.token.span, "expected `,`");
                 if let Some(mut delayed) = delayed_err {
                     delayed.emit();
                 }