diff options
| -rw-r--r-- | src/librustc/session/mod.rs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/librustc/session/mod.rs b/src/librustc/session/mod.rs index fbfdbd15116..dc102a62ee2 100644 --- a/src/librustc/session/mod.rs +++ b/src/librustc/session/mod.rs @@ -179,9 +179,9 @@ impl Session { pub fn track_errors<F, T>(&self, f: F) -> Result<T, usize> where F: FnOnce() -> T { - let mut count = self.err_count(); + let count = self.err_count(); let result = f(); - count -= self.err_count(); + let count = self.err_count() - count; if count == 0 { Ok(result) } else { |