clippy_lints: Update empty_loop lint

We also update the documentation to note that the remediations are
different for `std` and `no_std` crates.

Signed-off-by: Joe Richey <joerichey@google.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/tests/ui/empty_loop_no_std.rs b/tests/ui/empty_loop_no_std.rs
new file mode 100644
index 00000000000..879d1d5d916
--- /dev/null
+++ b/tests/ui/empty_loop_no_std.rs
@@ -0,0 +1,22 @@
+// ignore-macos
+// ignore-windows
+
+#![warn(clippy::empty_loop)]
+#![feature(lang_items, link_args, start, libc)]
+#![link_args = "-nostartfiles"]
+#![no_std]
+
+use core::panic::PanicInfo;
+
+#[start]
+fn main(argc: isize, argv: *const *const u8) -> isize {
+    loop {}
+}
+
+#[panic_handler]
+fn panic(_info: &PanicInfo) -> ! {
+    loop {}
+}
+
+#[lang = "eh_personality"]
+extern "C" fn eh_personality() {}