Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 24 insertions, 0 deletions

diff --git a/tests/ui/consts/miri_unleashed/ptr_arith.rs b/tests/ui/consts/miri_unleashed/ptr_arith.rs
new file mode 100644
index 000000000..4d12960b8
--- /dev/null
+++ b/tests/ui/consts/miri_unleashed/ptr_arith.rs
@@ -0,0 +1,24 @@
+// compile-flags: -Zunleash-the-miri-inside-of-you
+#![feature(core_intrinsics)]
+
+// During CTFE, we prevent pointer-to-int casts.
+// Pointer comparisons are prevented in the trait system.
+
+static PTR_INT_CAST: () = {
+    let x = &0 as *const _ as usize;
+    //~^ ERROR could not evaluate static initializer
+    //~| exposing pointers
+    let _v = x == x;
+};
+
+static PTR_INT_TRANSMUTE: () = unsafe {
+    let x: usize = std::mem::transmute(&0);
+    let _v = x + 0;
+    //~^ ERROR could not evaluate static initializer
+    //~| unable to turn pointer into raw bytes
+};
+
+// I'd love to test pointer comparison, but that is not possible since
+// their `PartialEq` impl is non-`const`.
+
+fn main() {}