diff options
Diffstat (limited to 'compiler/rustc_expand/src/mbe/macro_parser.rs')
| -rw-r--r-- | compiler/rustc_expand/src/mbe/macro_parser.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_expand/src/mbe/macro_parser.rs b/compiler/rustc_expand/src/mbe/macro_parser.rs index 63aac64989d..8f260e1cdb5 100644 --- a/compiler/rustc_expand/src/mbe/macro_parser.rs +++ b/compiler/rustc_expand/src/mbe/macro_parser.rs @@ -590,7 +590,7 @@ impl TtParser { (_, 0) => { // Dump all possible `next_mps` into `cur_mps` for the next iteration. Then // process the next token. - self.cur_mps.extend(self.next_mps.drain(..)); + self.cur_mps.append(&mut self.next_mps); parser.to_mut().bump(); } |