1 files changed, 3 insertions, 0 deletions
diff --git a/src/test/ui/parser/removed-syntax-mut-vec-expr.rs b/src/test/ui/parser/removed-syntax-mut-vec-expr.rs
new file mode 100644
index 000000000..2ee95db5a
--- /dev/null
+++ b/src/test/ui/parser/removed-syntax-mut-vec-expr.rs
@@ -0,0 +1,3 @@
+fn main() {
+    let v = [mut 1, 2, 3, 4]; //~ ERROR expected expression, found keyword `mut`
+}