1 files changed, 35 insertions, 0 deletions
diff --git a/tests/ui/borrowck/two-phase-bin-ops.rs b/tests/ui/borrowck/two-phase-bin-ops.rs
new file mode 100644
index 000000000..1242ae307
--- /dev/null
+++ b/tests/ui/borrowck/two-phase-bin-ops.rs
@@ -0,0 +1,35 @@
+// run-pass
+use std::ops::{AddAssign, SubAssign, MulAssign, DivAssign, RemAssign};
+use std::ops::{BitAndAssign, BitOrAssign, BitXorAssign, ShlAssign, ShrAssign};
+
+struct A(i32);
+
+macro_rules! trivial_binop {
+    ($Trait:ident, $m:ident) => {
+        impl $Trait<i32> for A { fn $m(&mut self, rhs: i32) { self.0 = rhs; } }
+    }
+}
+
+trivial_binop!(AddAssign, add_assign);
+trivial_binop!(SubAssign, sub_assign);
+trivial_binop!(MulAssign, mul_assign);
+trivial_binop!(DivAssign, div_assign);
+trivial_binop!(RemAssign, rem_assign);
+trivial_binop!(BitAndAssign, bitand_assign);
+trivial_binop!(BitOrAssign, bitor_assign);
+trivial_binop!(BitXorAssign, bitxor_assign);
+trivial_binop!(ShlAssign, shl_assign);
+trivial_binop!(ShrAssign, shr_assign);
+
+fn main() {
+    let mut a = A(10);
+    a += a.0;
+    a -= a.0;
+    a *= a.0;
+    a /= a.0;
+    a &= a.0;
+    a |= a.0;
+    a ^= a.0;
+    a <<= a.0;
+    a >>= a.0;
+}