summaryrefslogtreecommitdiffstats
path: root/src/tools/clippy/tests/ui/missing_spin_loop_no_std.rs
diff options
context:
space:
mode:
Diffstat (limited to 'src/tools/clippy/tests/ui/missing_spin_loop_no_std.rs')
-rw-r--r--src/tools/clippy/tests/ui/missing_spin_loop_no_std.rs23
1 files changed, 23 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/missing_spin_loop_no_std.rs b/src/tools/clippy/tests/ui/missing_spin_loop_no_std.rs
new file mode 100644
index 000000000..a19bc72ba
--- /dev/null
+++ b/src/tools/clippy/tests/ui/missing_spin_loop_no_std.rs
@@ -0,0 +1,23 @@
+// run-rustfix
+#![warn(clippy::missing_spin_loop)]
+#![feature(lang_items, start, libc)]
+#![no_std]
+
+use core::sync::atomic::{AtomicBool, Ordering};
+
+#[start]
+fn main(_argc: isize, _argv: *const *const u8) -> isize {
+ // This should trigger the lint
+ let b = AtomicBool::new(true);
+ // This should lint with `core::hint::spin_loop()`
+ while b.load(Ordering::Acquire) {}
+ 0
+}
+
+#[panic_handler]
+fn panic(_info: &core::panic::PanicInfo) -> ! {
+ loop {}
+}
+
+#[lang = "eh_personality"]
+extern "C" fn eh_personality() {}