Rollup merge of #141603 - nnethercote:reduce-P, r=fee1-dead

Reduce `ast::ptr::P` to a typedef of `Box`

As per the MCP at https://github.com/rust-lang/compiler-team/issues/878.

r? `@fee1-dead`

2 files changed, 2 insertions, 2 deletions

diff --git a/src/tools/rustfmt/src/modules.rs b/src/tools/rustfmt/src/modules.rs
index bc5a6d3e704..44c8123517c 100644
--- a/src/tools/rustfmt/src/modules.rs
+++ b/src/tools/rustfmt/src/modules.rs
@@ -174,7 +174,7 @@ impl<'ast, 'psess, 'c> ModResolver<'ast, 'psess> {
     ) -> Result<(), ModuleResolutionError> {
         for item in items {
             if is_cfg_if(&item) {
-                self.visit_cfg_if(Cow::Owned(item.into_inner()))?;
+                self.visit_cfg_if(Cow::Owned(*item))?;
                 continue;
             }
 
diff --git a/src/tools/rustfmt/src/parse/macros/cfg_if.rs b/src/tools/rustfmt/src/parse/macros/cfg_if.rs
index 30b83373c17..26bf6c5326f 100644
--- a/src/tools/rustfmt/src/parse/macros/cfg_if.rs
+++ b/src/tools/rustfmt/src/parse/macros/cfg_if.rs
@@ -62,7 +62,7 @@ fn parse_cfg_if_inner<'a>(
 
         while parser.token != TokenKind::CloseBrace && parser.token.kind != TokenKind::Eof {
             let item = match parser.parse_item(ForceCollect::No) {
-                Ok(Some(item_ptr)) => item_ptr.into_inner(),
+                Ok(Some(item_ptr)) => *item_ptr,
                 Ok(None) => continue,
                 Err(err) => {
                     err.cancel();