From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../ui/unsafe/rfc-2585-unsafe_op_in_unsafe_fn.rs   | 87 ++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 src/test/ui/unsafe/rfc-2585-unsafe_op_in_unsafe_fn.rs

(limited to 'src/test/ui/unsafe/rfc-2585-unsafe_op_in_unsafe_fn.rs')

diff --git a/src/test/ui/unsafe/rfc-2585-unsafe_op_in_unsafe_fn.rs b/src/test/ui/unsafe/rfc-2585-unsafe_op_in_unsafe_fn.rs
new file mode 100644
index 000000000..30b072340
--- /dev/null
+++ b/src/test/ui/unsafe/rfc-2585-unsafe_op_in_unsafe_fn.rs
@@ -0,0 +1,87 @@
+// revisions: mir thir
+// [thir]compile-flags: -Zthir-unsafeck
+
+#![deny(unsafe_op_in_unsafe_fn)]
+#![deny(unused_unsafe)]
+
+unsafe fn unsf() {}
+const PTR: *const () = std::ptr::null();
+static mut VOID: () = ();
+
+unsafe fn deny_level() {
+    unsf();
+    //[mir]~^ ERROR call to unsafe function is unsafe and requires unsafe block
+    //[thir]~^^ ERROR call to unsafe function `unsf` is unsafe and requires unsafe block
+    *PTR;
+    //~^ ERROR dereference of raw pointer is unsafe and requires unsafe block
+    VOID = ();
+    //~^ ERROR use of mutable static is unsafe and requires unsafe block
+
+    unsafe {}
+    //~^ ERROR unnecessary `unsafe` block
+}
+
+// Check that `unsafe_op_in_unsafe_fn` works starting from the `warn` level.
+#[warn(unsafe_op_in_unsafe_fn)]
+#[deny(warnings)]
+unsafe fn warning_level() {
+    unsf();
+    //[mir]~^ ERROR call to unsafe function is unsafe and requires unsafe block
+    //[thir]~^^ ERROR call to unsafe function `unsf` is unsafe and requires unsafe block
+    *PTR;
+    //~^ ERROR dereference of raw pointer is unsafe and requires unsafe block
+    VOID = ();
+    //~^ ERROR use of mutable static is unsafe and requires unsafe block
+    unsafe {}
+    //~^ ERROR unnecessary `unsafe` block
+}
+
+unsafe fn explicit_block() {
+    // no error
+    unsafe {
+        unsf();
+        *PTR;
+        VOID = ();
+    }
+}
+
+unsafe fn two_explicit_blocks() {
+    unsafe { unsafe { unsf() } }
+    //~^ ERROR unnecessary `unsafe` block
+}
+
+#[allow(unsafe_op_in_unsafe_fn)]
+unsafe fn allow_level() {
+    // lint allowed -> no error
+    unsf();
+    *PTR;
+    VOID = ();
+
+    unsafe { unsf() }
+    //~^ ERROR unnecessary `unsafe` block
+}
+
+unsafe fn nested_allow_level() {
+    #[allow(unsafe_op_in_unsafe_fn)]
+    {
+        // lint allowed -> no error
+        unsf();
+        *PTR;
+        VOID = ();
+
+        unsafe { unsf() }
+        //~^ ERROR unnecessary `unsafe` block
+    }
+}
+
+fn main() {
+    unsf();
+    //[mir]~^ ERROR call to unsafe function is unsafe and requires unsafe block
+    //[thir]~^^ ERROR call to unsafe function `unsf` is unsafe and requires unsafe block
+    #[allow(unsafe_op_in_unsafe_fn)]
+    {
+        unsf();
+        //[mir]~^ ERROR call to unsafe function is unsafe and requires unsafe function or block
+        //[thir]~^^ ERROR call to unsafe function `unsf` is unsafe and requires unsafe function or block
+    }
+}
-- 
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