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-rw-r--r--tests/ui/nll/region-ends-after-if-condition.rs32
1 files changed, 32 insertions, 0 deletions
diff --git a/tests/ui/nll/region-ends-after-if-condition.rs b/tests/ui/nll/region-ends-after-if-condition.rs
new file mode 100644
index 000000000..f67de03ca
--- /dev/null
+++ b/tests/ui/nll/region-ends-after-if-condition.rs
@@ -0,0 +1,32 @@
+// Basic test for liveness constraints: the region (`R1`) that appears
+// in the type of `p` includes the points after `&v[0]` up to (but not
+// including) the call to `use_x`. The `else` branch is not included.
+
+#![allow(warnings)]
+#![feature(rustc_attrs)]
+
+struct MyStruct {
+ field: String
+}
+
+fn foo1() {
+ let mut my_struct = MyStruct { field: format!("Hello") };
+
+ let value = &my_struct.field;
+ if value.is_empty() {
+ my_struct.field.push_str("Hello, world!");
+ }
+}
+
+fn foo2() {
+ let mut my_struct = MyStruct { field: format!("Hello") };
+
+ let value = &my_struct.field;
+ if value.is_empty() {
+ my_struct.field.push_str("Hello, world!");
+ //~^ ERROR [E0502]
+ }
+ drop(value);
+}
+
+fn main() { }