Auto merge of #13454 - samueltardieu:push-ymnkzlqloptz, r=xFrednet

Use correct std/core prefix in lint output

changelog: none

I was waiting for #13452 to be merged before sending this one. `std` is used instead of `core` when appropriate in messages.

1 files changed, 57 insertions, 0 deletions

diff --git a/tests/ui/invalid_null_ptr_usage_no_std.fixed b/tests/ui/invalid_null_ptr_usage_no_std.fixed
new file mode 100644
index 00000000000..2bbfe727424
--- /dev/null
+++ b/tests/ui/invalid_null_ptr_usage_no_std.fixed
@@ -0,0 +1,57 @@
+#![no_std]
+#![feature(lang_items)]
+
+use core::panic::PanicInfo;
+
+#[lang = "eh_personality"]
+extern "C" fn eh_personality() {}
+
+#[panic_handler]
+fn panic(info: &PanicInfo) -> ! {
+    loop {}
+}
+
+fn main() {
+    unsafe {
+        let _slice: &[usize] = core::slice::from_raw_parts(core::ptr::NonNull::dangling().as_ptr(), 0);
+        let _slice: &[usize] = core::slice::from_raw_parts(core::ptr::NonNull::dangling().as_ptr(), 0);
+
+        let _slice: &[usize] = core::slice::from_raw_parts_mut(core::ptr::NonNull::dangling().as_ptr(), 0);
+
+        core::ptr::copy::<usize>(core::ptr::NonNull::dangling().as_ptr(), core::ptr::NonNull::dangling().as_ptr(), 0);
+        core::ptr::copy::<usize>(core::ptr::NonNull::dangling().as_ptr(), core::ptr::NonNull::dangling().as_ptr(), 0);
+
+        core::ptr::copy_nonoverlapping::<usize>(core::ptr::NonNull::dangling().as_ptr(), core::ptr::NonNull::dangling().as_ptr(), 0);
+        core::ptr::copy_nonoverlapping::<usize>(core::ptr::NonNull::dangling().as_ptr(), core::ptr::NonNull::dangling().as_ptr(), 0);
+
+        struct A; // zero sized struct
+        assert_eq!(core::mem::size_of::<A>(), 0);
+
+        let _a: A = core::ptr::read(core::ptr::NonNull::dangling().as_ptr());
+        let _a: A = core::ptr::read(core::ptr::NonNull::dangling().as_ptr());
+
+        let _a: A = core::ptr::read_unaligned(core::ptr::NonNull::dangling().as_ptr());
+        let _a: A = core::ptr::read_unaligned(core::ptr::NonNull::dangling().as_ptr());
+
+        let _a: A = core::ptr::read_volatile(core::ptr::NonNull::dangling().as_ptr());
+        let _a: A = core::ptr::read_volatile(core::ptr::NonNull::dangling().as_ptr());
+
+        let _a: A = core::ptr::replace(core::ptr::NonNull::dangling().as_ptr(), A);
+        let _slice: *const [usize] = core::ptr::slice_from_raw_parts(core::ptr::null_mut(), 0); // shouldn't lint
+        let _slice: *const [usize] = core::ptr::slice_from_raw_parts_mut(core::ptr::null_mut(), 0);
+
+        core::ptr::swap::<A>(core::ptr::NonNull::dangling().as_ptr(), &mut A);
+        core::ptr::swap::<A>(&mut A, core::ptr::NonNull::dangling().as_ptr());
+
+        core::ptr::swap_nonoverlapping::<A>(core::ptr::NonNull::dangling().as_ptr(), &mut A, 0);
+        core::ptr::swap_nonoverlapping::<A>(&mut A, core::ptr::NonNull::dangling().as_ptr(), 0);
+
+        core::ptr::write(core::ptr::NonNull::dangling().as_ptr(), A);
+
+        core::ptr::write_unaligned(core::ptr::NonNull::dangling().as_ptr(), A);
+
+        core::ptr::write_volatile(core::ptr::NonNull::dangling().as_ptr(), A);
+
+        core::ptr::write_bytes::<usize>(core::ptr::NonNull::dangling().as_ptr(), 42, 0);
+    }
+}