1 files changed, 7 insertions, 0 deletions
diff --git a/src/test/ui/parser/bad-escape-suggest-raw-string.rs b/src/test/ui/parser/bad-escape-suggest-raw-string.rs
new file mode 100644
index 000000000..978b92cbc
--- /dev/null
+++ b/src/test/ui/parser/bad-escape-suggest-raw-string.rs
@@ -0,0 +1,7 @@
+fn main() {
+    let ok = r"ab\[c";
+    let bad = "ab\[c";
+    //~^ ERROR unknown character escape: `[`
+    //~| HELP for more information, visit <https://static.rust-lang.org/doc/master/reference.html#literals>
+    //~| HELP if you meant to write a literal backslash (perhaps escaping in a regular expression), consider a raw string literal
+}