fix legacy numeric constant diag items

- missed syms for usize/isize
- missed diag items on unsigned integers

compiler/rustc_span/src/symbol.rs

@@ -1000,6 +1000,11 @@ symbols! {
         is_val_statically_known,
         isa_attribute,
         isize,
+        isize_legacy_const_max,
+        isize_legacy_const_min,
+        isize_legacy_fn_max_value,
+        isize_legacy_fn_min_value,
+        isize_legacy_mod,
         issue,
         issue_5723_bootstrap,
         issue_tracker_base_url,
@@ -1910,6 +1915,11 @@ symbols! {
         used_with_arg,
         using,
         usize,
+        usize_legacy_const_max,
+        usize_legacy_const_min,
+        usize_legacy_fn_max_value,
+        usize_legacy_fn_min_value,
+        usize_legacy_mod,
         va_arg,
         va_copy,
         va_end,