1 files changed, 4 insertions, 5 deletions
diff --git a/compiler/rustc_parse/src/parser/path.rs b/compiler/rustc_parse/src/parser/path.rs
index 8e65ab99c5e..a6ec3ea4245 100644
--- a/compiler/rustc_parse/src/parser/path.rs
+++ b/compiler/rustc_parse/src/parser/path.rs
@@ -1,7 +1,6 @@
 use std::mem;
 
 use ast::token::IdentIsRaw;
-use rustc_ast::ptr::P;
 use rustc_ast::token::{self, MetaVarKind, Token, TokenKind};
 use rustc_ast::{
     self as ast, AngleBracketedArg, AngleBracketedArgs, AnonConst, AssocItemConstraint,
@@ -75,7 +74,7 @@ impl<'a> Parser<'a> {
     /// `<T as U>::a`
     /// `<T as U>::F::a<S>` (without disambiguator)
     /// `<T as U>::F::a::<S>` (with disambiguator)
-    pub(super) fn parse_qpath(&mut self, style: PathStyle) -> PResult<'a, (P<QSelf>, Path)> {
+    pub(super) fn parse_qpath(&mut self, style: PathStyle) -> PResult<'a, (Box<QSelf>, Path)> {
         let lo = self.prev_token.span;
         let ty = self.parse_ty()?;
 
@@ -105,7 +104,7 @@ impl<'a> Parser<'a> {
             self.expect(exp!(PathSep))?;
         }
 
-        let qself = P(QSelf { ty, path_span, position: path.segments.len() });
+        let qself = Box::new(QSelf { ty, path_span, position: path.segments.len() });
         if !is_import_coupler {
             self.parse_path_segments(&mut path.segments, style, None)?;
         }
@@ -380,7 +379,7 @@ impl<'a> Parser<'a> {
                             .emit_err(errors::BadReturnTypeNotationOutput { span, suggestion });
                     }
 
-                    P(ast::GenericArgs::ParenthesizedElided(span))
+                    Box::new(ast::GenericArgs::ParenthesizedElided(span))
                 } else {
                     // `(T, U) -> R`
 
@@ -842,7 +841,7 @@ impl<'a> Parser<'a> {
     /// - A literal.
     /// - A numeric literal prefixed by `-`.
     /// - A single-segment path.
-    pub(super) fn expr_is_valid_const_arg(&self, expr: &P<rustc_ast::Expr>) -> bool {
+    pub(super) fn expr_is_valid_const_arg(&self, expr: &Box<rustc_ast::Expr>) -> bool {
         match &expr.kind {
             ast::ExprKind::Block(_, _)
             | ast::ExprKind::Lit(_)