1 files changed, 23 insertions, 0 deletions
diff --git a/src/test/ui/borrowck/reassignment_immutable_fields.stderr b/src/test/ui/borrowck/reassignment_immutable_fields.stderr
new file mode 100644
index 000000000..e6b25573e
--- /dev/null
+++ b/src/test/ui/borrowck/reassignment_immutable_fields.stderr
@@ -0,0 +1,23 @@
+error[E0381]: partially assigned binding `x` isn't fully initialized
+  --> $DIR/reassignment_immutable_fields.rs:7:5
+   |
+LL |     let x: (u32, u32);
+   |         - binding declared here but left uninitialized
+LL |     x.0 = 1;
+   |     ^^^^^^^ `x` partially assigned here but it isn't fully initialized
+   |
+   = help: partial initialization isn't supported, fully initialize the binding with a default value and mutate it, or use `std::mem::MaybeUninit`
+
+error[E0381]: partially assigned binding `x` isn't fully initialized
+  --> $DIR/reassignment_immutable_fields.rs:15:5
+   |
+LL |     let x: (u32, u32);
+   |         - binding declared here but left uninitialized
+LL |     x.0 = 1;
+   |     ^^^^^^^ `x` partially assigned here but it isn't fully initialized
+   |
+   = help: partial initialization isn't supported, fully initialize the binding with a default value and mutate it, or use `std::mem::MaybeUninit`
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0381`.