Rollup merge of #89730 - crlf0710:type_changing_feature, r=jackh726

add feature flag for `type_changing_struct_update` This implements the PR0 part of the mentoring notes within #86618. overrides the previous inactive #86646 pr. r? ```@nikomatsakis```
2021-10-23 05:28:22 +02:00 · 2021-10-23 05:28:22 +02:00 · 736e8ebd1c
commit 736e8ebd1c
parent 0f81c7faf5 7d7ebf8805
4 changed files with 43 additions and 0 deletions
--- a/compiler/rustc_span/src/symbol.rs
+++ b/compiler/rustc_span/src/symbol.rs
@ -1338,6 +1338,7 @@ symbols! {
        type_alias_enum_variants,
        type_alias_impl_trait,
        type_ascription,
+        type_changing_struct_update,
        type_id,
        type_length_limit,
        type_macros,