From: AnthonyMikh <anthony.mikh@yandex.ru>
Date: Sat, 5 Oct 2019 00:08:05 +0000 (+0300)
Subject: Correctly estimate required space for string
X-Git-Url: https://git.lizzy.rs/?a=commitdiff_plain;h=4414068cc49803b0dacba133b7788b8b95b0b473;p=rust.git

Correctly estimate required space for string

`.len()` returns length in bytes so it overestimates the required space
---

diff --git a/src/librustc_errors/styled_buffer.rs b/src/librustc_errors/styled_buffer.rs
index 6e03618d2b0..b12ab9e4576 100644
--- a/src/librustc_errors/styled_buffer.rs
+++ b/src/librustc_errors/styled_buffer.rs
@@ -111,7 +111,7 @@ pub fn puts(&mut self, line: usize, col: usize, string: &str, style: Style) {
 
     pub fn prepend(&mut self, line: usize, string: &str, style: Style) {
         self.ensure_lines(line);
-        let string_len = string.len();
+        let string_len = string.chars().count();
 
         // Push the old content over to make room for new content
         for _ in 0..string_len {