4 files changed, 22 insertions, 0 deletions
diff --git a/tests/ui/parser/ferris-static-mut.rs b/tests/ui/parser/ferris-static-mut.rs
new file mode 100644
index 00000000000..67186982691
--- /dev/null
+++ b/tests/ui/parser/ferris-static-mut.rs
@@ -0,0 +1,3 @@
+static mut 🦀: &str = "ferris!";//~ ERROR Ferris cannot be used as an identifier
+
+fn main() {}
diff --git a/tests/ui/parser/ferris-static-mut.stderr b/tests/ui/parser/ferris-static-mut.stderr
new file mode 100644
index 00000000000..6af85bbaf7d
--- /dev/null
+++ b/tests/ui/parser/ferris-static-mut.stderr
@@ -0,0 +1,8 @@
+error: Ferris cannot be used as an identifier
+  --> $DIR/ferris-static-mut.rs:1:12
+   |
+LL | static mut 🦀: &str = "ferris!";
+   |            ^^ help: try using their name instead: `FERRIS`
+
+error: aborting due to 1 previous error
+
diff --git a/tests/ui/parser/ferris-struct.rs b/tests/ui/parser/ferris-struct.rs
new file mode 100644
index 00000000000..581957fa775
--- /dev/null
+++ b/tests/ui/parser/ferris-struct.rs
@@ -0,0 +1,3 @@
+struct 🦀 {}//~ ERROR Ferris cannot be used as an identifier
+
+fn main() {}
diff --git a/tests/ui/parser/ferris-struct.stderr b/tests/ui/parser/ferris-struct.stderr
new file mode 100644
index 00000000000..34fe28c6297
--- /dev/null
+++ b/tests/ui/parser/ferris-struct.stderr
@@ -0,0 +1,8 @@
+error: Ferris cannot be used as an identifier
+  --> $DIR/ferris-struct.rs:1:8
+   |
+LL | struct 🦀 {}
+   |        ^^ help: try using their name instead: `Ferris`
+
+error: aborting due to 1 previous error
+