change stderrs

Author: William Utter

tests/ui/const-generics/generic_const_exprs/const_kind_expr/issue_114151.stderr

@@ -52,7 +52,7 @@ LL | |         }
 LL | |     }],
    | |_____^ required by this bound in `foo`
 
-error: unconstrained generic constant `{const expr}`
+error: unconstrained generic constant `L + 1 + L`
   --> $DIR/issue_114151.rs:17:5
    |
 LL |     foo::<_, L>([(); L + 1 + L]);

tests/ui/const-generics/transmute-fail.stderr

@@ -4,8 +4,8 @@ error[E0512]: cannot transmute between types of different sizes, or dependently-
 LL |     std::mem::transmute(v)
    |     ^^^^^^^^^^^^^^^^^^^
    |
-   = note: source type: `[[u32; H+1]; W]` (generic size {const expr})
-   = note: target type: `[[u32; W+1]; H]` (generic size {const expr})
+   = note: source type: `[[u32; H+1]; W]` (generic size H + 1 * 4 * W)
+   = note: target type: `[[u32; W+1]; H]` (generic size W + 1 * 4 * H)
 
 error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
   --> $DIR/transmute-fail.rs:16:5
@@ -22,8 +22,8 @@ error[E0512]: cannot transmute between types of different sizes, or dependently-
 LL |     std::mem::transmute(v)
    |     ^^^^^^^^^^^^^^^^^^^
    |
-   = note: source type: `[[u32; H]; W]` (generic size {const expr})
-   = note: target type: `[u32; W * H * H]` (generic size {const expr})
+   = note: source type: `[[u32; H]; W]` (generic size 4 * H * W)
+   = note: target type: `[u32; W * H * H]` (generic size 4 * H * H * W)
 
 error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
   --> $DIR/transmute-fail.rs:30:5