2 files changed, 26 insertions, 0 deletions
diff --git a/src/test/ui/parser/char/whitespace-character-literal.rs b/src/test/ui/parser/char/whitespace-character-literal.rs
new file mode 100644
index 000000000..de5e09204
--- /dev/null
+++ b/src/test/ui/parser/char/whitespace-character-literal.rs
@@ -0,0 +1,10 @@
+// This tests that the error generated when a character literal has multiple
+// characters in it contains a note about non-printing characters.
+
+fn main() {
+    let _hair_space_around = ' x';
+    //~^ ERROR: character literal may only contain one codepoint
+    //~| NOTE: there are non-printing characters, the full sequence is `\u{200a}x\u{200b}`
+    //~| HELP: consider removing the non-printing characters
+    //~| SUGGESTION: x
+}
diff --git a/src/test/ui/parser/char/whitespace-character-literal.stderr b/src/test/ui/parser/char/whitespace-character-literal.stderr
new file mode 100644
index 000000000..d73de41a8
--- /dev/null
+++ b/src/test/ui/parser/char/whitespace-character-literal.stderr
@@ -0,0 +1,16 @@
+error: character literal may only contain one codepoint
+  --> $DIR/whitespace-character-literal.rs:5:30
+   |
+LL |     let _hair_space_around = ' x';
+   |                              ^--^
+   |                               |
+   |                               help: consider removing the non-printing characters: `x`
+   |
+note: there are non-printing characters, the full sequence is `\u{200a}x\u{200b}`
+  --> $DIR/whitespace-character-literal.rs:5:31
+   |
+LL |     let _hair_space_around = ' x';
+   |                               ^^
+
+error: aborting due to previous error
+