Fix typos

Author: wutchzone

compiler/rustc_builtin_macros/src/deriving/mod.rs

@@ -123,7 +123,7 @@ fn assert_ty_bounds(
     span: Span,
     assert_path: &[Symbol],
 ) {
-    // Deny anonymous structs or unions to avoid wierd errors.
+    // Deny anonymous structs or unions to avoid weird errors.
     assert!(!ty.kind.is_anon_adt(), "Anonymous structs or unions cannot be type parameters");
     // Generate statement `let _: assert_path<ty>;`.
     let span = cx.with_def_site_ctxt(span);

compiler/rustc_builtin_macros/src/format.rs

@@ -316,7 +316,7 @@ fn make_format_args(
 
     let mut used = vec![false; args.explicit_args().len()];
     let mut invalid_refs = Vec::new();
-    let mut numeric_refences_to_named_arg = Vec::new();
+    let mut numeric_references_to_named_arg = Vec::new();
 
     enum ArgRef<'a> {
         Index(usize),
@@ -337,7 +337,7 @@ fn make_format_args(
                     used[index] = true;
                     if arg.kind.ident().is_some() {
                         // This was a named argument, but it was used as a positional argument.
-                        numeric_refences_to_named_arg.push((index, span, used_as));
+                        numeric_references_to_named_arg.push((index, span, used_as));
                     }
                     Ok(index)
                 } else {
@@ -545,7 +545,7 @@ fn make_format_args(
     // Only check for unused named argument names if there are no other errors to avoid causing
     // too much noise in output errors, such as when a named argument is entirely unused.
     if invalid_refs.is_empty() && !has_unused && !unnamed_arg_after_named_arg {
-        for &(index, span, used_as) in &numeric_refences_to_named_arg {
+        for &(index, span, used_as) in &numeric_references_to_named_arg {
             let (position_sp_to_replace, position_sp_for_msg) = match used_as {
                 Placeholder(pspan) => (span, pspan),
                 Precision => {