diff options
Diffstat (limited to 'library/std/src/sys_common')
| -rw-r--r-- | library/std/src/sys_common/wtf8.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/library/std/src/sys_common/wtf8.rs b/library/std/src/sys_common/wtf8.rs index 01cbb3e24ff..f9ec112b197 100644 --- a/library/std/src/sys_common/wtf8.rs +++ b/library/std/src/sys_common/wtf8.rs @@ -388,7 +388,7 @@ impl Wtf8Buf { _ => { // If we'll be pushing a string containing a surrogate, we may // no longer have UTF-8. - if other.next_surrogate(0).is_some() { + if self.is_known_utf8 && other.next_surrogate(0).is_some() { self.is_known_utf8 = false; } |