New upstream version 1.52.1+dfsg1

[rustc.git] / src / tools / clippy / tests / ui / clone_on_copy.fixed

diff --git a/src/tools/clippy/tests/ui/clone_on_copy.fixed b/src/tools/clippy/tests/ui/clone_on_copy.fixed
new file mode 100644 (file)
index 0000000..d924625
--- /dev/null
+++ b/src/tools/clippy/tests/ui/clone_on_copy.fixed
@@ -0,0 +1,41 @@
+// run-rustfix
+
+#![allow(
+    unused,
+    clippy::redundant_clone,
+    clippy::deref_addrof,
+    clippy::no_effect,
+    clippy::unnecessary_operation,
+    clippy::vec_init_then_push
+)]
+
+use std::cell::RefCell;
+use std::rc::{self, Rc};
+use std::sync::{self, Arc};
+
+fn main() {}
+
+fn is_ascii(ch: char) -> bool {
+    ch.is_ascii()
+}
+
+fn clone_on_copy() {
+    42;
+
+    vec![1].clone(); // ok, not a Copy type
+    Some(vec![1]).clone(); // ok, not a Copy type
+    *(&42);
+
+    let rc = RefCell::new(0);
+    *rc.borrow();
+
+    // Issue #4348
+    let mut x = 43;
+    let _ = &x.clone(); // ok, getting a ref
+    'a'.clone().make_ascii_uppercase(); // ok, clone and then mutate
+    is_ascii('z');
+
+    // Issue #5436
+    let mut vec = Vec::new();
+    vec.push(42);
+}