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Diffstat (limited to 'src/test/ui/nll/issue-69114-static-mut-ty.rs')
-rw-r--r--src/test/ui/nll/issue-69114-static-mut-ty.rs30
1 files changed, 30 insertions, 0 deletions
diff --git a/src/test/ui/nll/issue-69114-static-mut-ty.rs b/src/test/ui/nll/issue-69114-static-mut-ty.rs
new file mode 100644
index 000000000..ce37da053
--- /dev/null
+++ b/src/test/ui/nll/issue-69114-static-mut-ty.rs
@@ -0,0 +1,30 @@
+// Check that borrowck ensures that `static mut` items have the expected type.
+
+static FOO: u8 = 42;
+static mut BAR: &'static u8 = &FOO;
+static mut BAR_ELIDED: &u8 = &FOO;
+
+fn main() {
+ unsafe {
+ println!("{} {}", BAR, BAR_ELIDED);
+ set_bar();
+ set_bar_elided();
+ println!("{} {}", BAR, BAR_ELIDED);
+ }
+}
+
+fn set_bar() {
+ let n = 42;
+ unsafe {
+ BAR = &n;
+ //~^ ERROR does not live long enough
+ }
+}
+
+fn set_bar_elided() {
+ let n = 42;
+ unsafe {
+ BAR_ELIDED = &n;
+ //~^ ERROR does not live long enough
+ }
+}