Remove `stream_to_parser`.

It's a zero-value wrapper of `Parser::new`.

1 files changed, 1 insertions, 10 deletions

diff --git a/compiler/rustc_parse/src/lib.rs b/compiler/rustc_parse/src/lib.rs
index a818aae27b1..5bbbfe1430c 100644
--- a/compiler/rustc_parse/src/lib.rs
+++ b/compiler/rustc_parse/src/lib.rs
@@ -123,7 +123,7 @@ fn maybe_source_file_to_parser(
 ) -> Result<Parser<'_>, Vec<Diag<'_>>> {
     let end_pos = source_file.end_position();
     let stream = maybe_source_file_to_stream(psess, source_file, None)?;
-    let mut parser = stream_to_parser(psess, stream, None);
+    let mut parser = Parser::new(psess, stream, None);
     if parser.token == token::Eof {
         parser.token.span = Span::new(end_pos, end_pos, parser.token.span.ctxt(), None);
     }
@@ -168,15 +168,6 @@ fn maybe_source_file_to_stream<'psess>(
     lexer::lex_token_trees(psess, src.as_str(), source_file.start_pos, override_span)
 }
 
-/// Given a stream and the `ParseSess`, produces a parser.
-pub fn stream_to_parser<'a>(
-    psess: &'a ParseSess,
-    stream: TokenStream,
-    subparser_name: Option<&'static str>,
-) -> Parser<'a> {
-    Parser::new(psess, stream, subparser_name)
-}
-
 /// Runs the given subparser `f` on the tokens of the given `attr`'s item.
 pub fn parse_in<'a, T>(
     psess: &'a ParseSess,