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Diffstat (limited to 'crates/hir-ty/src/tests/regression.rs')
-rw-r--r--crates/hir-ty/src/tests/regression.rs20
1 files changed, 20 insertions, 0 deletions
diff --git a/crates/hir-ty/src/tests/regression.rs b/crates/hir-ty/src/tests/regression.rs
index 8b95110233..375014d6c7 100644
--- a/crates/hir-ty/src/tests/regression.rs
+++ b/crates/hir-ty/src/tests/regression.rs
@@ -1978,3 +1978,23 @@ fn x(a: [i32; 4]) {
"#,
);
}
+
+#[test]
+fn dont_unify_on_casts() {
+ // #15246
+ check_types(
+ r#"
+fn unify(_: [bool; 1]) {}
+fn casted(_: *const bool) {}
+fn default<T>() -> T { loop {} }
+
+fn test() {
+ let foo = default();
+ //^^^ [bool; 1]
+
+ casted(&foo as *const _);
+ unify(foo);
+}
+"#,
+ );
+}