Workaround deliberate overflowing negation in serialize::json.

2015-04-16 16:48:14 +02:00 · 2015-04-16 16:48:14 +02:00 · 5e7785cabc
commit 5e7785cabc
parent e9f892acc4
1 changed files with 1 additions and 1 deletions
--- a/src/libserialize/json.rs
+++ b/src/libserialize/json.rs
@ -1540,7 +1540,7 @@ impl<T: Iterator<Item=char>> Parser<T> {
            F64Value(res)
        } else {
            if neg {
-                let res = -(res as i64);
+                let res = (res as i64).wrapping_neg();

                // Make sure we didn't underflow.
                if res > 0 {