Tweak identifer lexing.

By calling `bump()` after getting the first char, to avoid a redundant
`ident_continue()` test on it.

diff --git a/src/libsyntax/parse/lexer/mod.rs b/src/libsyntax/parse/lexer/mod.rs
index c39eb1594b28bf3591b8546a89421655c795c0cc..02f76fa56e40221cbd8920d21a4dedd455a9929d 100644 (file)
--- a/src/libsyntax/parse/lexer/mod.rs
+++ b/src/libsyntax/parse/lexer/mod.rs
@@ -516,6 +516,7 @@ fn scan_optional_raw_name(&mut self) -> Option<ast::Name> {
             return None;
         }
         let start = self.pos;
+        self.bump();
         while ident_continue(self.ch) {
             self.bump();
         }
@@ -1155,6 +1156,7 @@ fn next_token_inner(&mut self) -> Result<token::Token, ()> {
                 }
 
                 let start = self.pos;
+                self.bump();
                 while ident_continue(self.ch) {
                     self.bump();
                 }