Remove `desugar_doc_comments` arg from `Parser::new()`.

It's only true at one call site; do the desugaring there instead.

2 files changed, 3 insertions, 8 deletions

diff --git a/compiler/rustc_parse/src/lib.rs b/compiler/rustc_parse/src/lib.rs
index 25de7808532..52990a3bd0d 100644
--- a/compiler/rustc_parse/src/lib.rs
+++ b/compiler/rustc_parse/src/lib.rs
@@ -205,7 +205,7 @@ pub fn stream_to_parser<'a>(
     stream: TokenStream,
     subparser_name: Option<&'static str>,
 ) -> Parser<'a> {
-    Parser::new(sess, stream, false, subparser_name)
+    Parser::new(sess, stream, subparser_name)
 }
 
 /// Runs the given subparser `f` on the tokens of the given `attr`'s item.
@@ -215,7 +215,7 @@ pub fn parse_in<'a, T>(
     name: &'static str,
     mut f: impl FnMut(&mut Parser<'a>) -> PResult<'a, T>,
 ) -> PResult<'a, T> {
-    let mut parser = Parser::new(sess, tts, false, Some(name));
+    let mut parser = Parser::new(sess, tts, Some(name));
     let result = f(&mut parser)?;
     if parser.token != token::Eof {
         parser.unexpected()?;
diff --git a/compiler/rustc_parse/src/parser/mod.rs b/compiler/rustc_parse/src/parser/mod.rs
index 7d39bf8edf3..d689b61f63f 100644
--- a/compiler/rustc_parse/src/parser/mod.rs
+++ b/compiler/rustc_parse/src/parser/mod.rs
@@ -388,14 +388,9 @@ pub(super) fn token_descr(token: &Token) -> String {
 impl<'a> Parser<'a> {
     pub fn new(
         sess: &'a ParseSess,
-        mut stream: TokenStream,
-        desugar_doc_comments: bool,
+        stream: TokenStream,
         subparser_name: Option<&'static str>,
     ) -> Self {
-        if desugar_doc_comments {
-            stream.desugar_doc_comments();
-        }
-
         let mut parser = Parser {
             sess,
             token: Token::dummy(),