diff options
Diffstat (limited to 'src/tools/clippy/tests/ui/crate_level_checks/no_std_main_recursion.rs')
-rw-r--r-- | src/tools/clippy/tests/ui/crate_level_checks/no_std_main_recursion.rs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/crate_level_checks/no_std_main_recursion.rs b/src/tools/clippy/tests/ui/crate_level_checks/no_std_main_recursion.rs new file mode 100644 index 000000000..4a5c597dd --- /dev/null +++ b/src/tools/clippy/tests/ui/crate_level_checks/no_std_main_recursion.rs @@ -0,0 +1,33 @@ +// compile-flags: -Clink-arg=-nostartfiles +// ignore-macos +// ignore-windows + +#![feature(lang_items, start, libc)] +#![no_std] + +use core::panic::PanicInfo; +use core::sync::atomic::{AtomicUsize, Ordering}; + +static N: AtomicUsize = AtomicUsize::new(0); + +#[warn(clippy::main_recursion)] +#[start] +fn main(_argc: isize, _argv: *const *const u8) -> isize { + let x = N.load(Ordering::Relaxed); + N.store(x + 1, Ordering::Relaxed); + + if x < 3 { + main(_argc, _argv); + } + + 0 +} + +#[allow(clippy::empty_loop)] +#[panic_handler] +fn panic(_info: &PanicInfo) -> ! { + loop {} +} + +#[lang = "eh_personality"] +extern "C" fn eh_personality() {} |