Auto merge of rust-lang#120687 - oli-obk:early_const_prop, r=<try>

Run const_prop_lint in check builds, too

implements rust-lang#108730 (comment)

Turns the const_prop_lint pass into a query that is run alongside borrowck.

Author: bors

compiler/rustc_abi/src/layout.rs

@@ -426,10 +426,11 @@ where
                 }
             }
         }
-        _ => assert!(
-            start == Bound::Unbounded && end == Bound::Unbounded,
-            "nonscalar layout for layout_scalar_valid_range type: {st:#?}",
-        ),
+        _ => {
+            if start != Bound::Unbounded || end != Bound::Unbounded {
+                return None;
+            }
+        }
     }
 
     Some(st)

compiler/rustc_interface/src/passes.rs

@@ -738,6 +738,7 @@ fn analysis(tcx: TyCtxt<'_>, (): ()) -> Result<()> {
             // Run unsafety check because it's responsible for stealing and
             // deallocating THIR.
             tcx.ensure().check_unsafety(def_id);
+            tcx.ensure().const_prop_lint(def_id);
             tcx.ensure().mir_borrowck(def_id)
         });
     });