1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/testsuite/rust/compile/issue-407.rs b/gcc/testsuite/rust/compile/issue-407.rs
new file mode 100644
index 0000000..530b7dd
--- /dev/null
+++ b/gcc/testsuite/rust/compile/issue-407.rs
@@ -0,0 +1,9 @@
+// This already worked before the #409 code changes.
+fn test()  {
+    let mut a = 1;
+    a + = 1; // { dg-error "found unexpected token '=' in null denotation" }
+    // { dg-error {failed to parse expression for expression without block \(pratt-parsed expression is null\)} "" { target *-*-* } .-1 }
+    // { dg-error {failed to parse statement or expression without block in block expression} "" { target *-*-* } .-2 }
+    // { dg-error {unrecognised token 'integer literal' for start of item} "" { target *-*-* } .-3 }
+    // { dg-error {failed to parse item in crate} "" { target *-*-* } .-4 }
+}