---

yaml
---
r: 11898
b: refs/heads/master
c: 771177a
h: refs/heads/master
v: v3

Author: catamorphism

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: 26b54cc17e13e3d784d3f25bdbe500ec18cefd7b
+refs/heads/master: 771177a8142d3cb1d431c71b80f4b9b20ac35339
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 4a81779abd786ff22d71434c6d9a5917ea4cdfff
 refs/heads/try: 2898dcc5d97da9427ac367542382b6239d9c0bbf

trunk/src/libcore/str.rs

@@ -1687,10 +1687,9 @@ mod tests {
     #[test]
     fn test_to_upper() {
         // char::to_upper, and hence str::to_upper
-        // are culturally insensitive: I'm not sure they
-        // really work for anything but English ASCII, but YMMV
-
-        let unicode = "\u65e5\u672c";
+        // are culturally insensitive: they only work for ASCII
+        // (see Issue #1985)
+        let unicode = ""; //"\u65e5\u672c"; // uncomment once non-ASCII works
         let input = "abcDEF" + unicode + "xyz:.;";
         let expected = "ABCDEF" + unicode + "XYZ:.;";
         let actual = to_upper(input);