Auto merge of #98332 - oli-obk:assume, r=wesleywiser

Lower the assume intrinsic to a MIR statement

This makes https://github.com/rust-lang/rust/pull/96862#issuecomment-1153739068 easier and will generally allow us to cheaply insert assume intrinsic calls in mir building.

r? rust-lang/wg-mir-opt

compiler/rustc_middle/src/mir/mod.rs

@@ -1362,13 +1362,7 @@ impl Debug for Statement<'_> {
                 write!(fmt, "Coverage::{:?} for {:?}", kind, rgn)
             }
             Coverage(box ref coverage) => write!(fmt, "Coverage::{:?}", coverage.kind),
-            CopyNonOverlapping(box crate::mir::CopyNonOverlapping {
-                ref src,
-                ref dst,
-                ref count,
-            }) => {
-                write!(fmt, "copy_nonoverlapping(src={:?}, dst={:?}, count={:?})", src, dst, count)
-            }
+            Intrinsic(box ref intrinsic) => write!(fmt, "{intrinsic}"),
             Nop => write!(fmt, "nop"),
         }
     }