start tracking changed flag

Bryanskiy · Bryanskiy · commit 2f81511751e1 · 2022-09-19T16:04:02.000+03:00
diff --git a/compiler/rustc_resolve/src/access_levels.rs b/compiler/rustc_resolve/src/access_levels.rs
@@ -108,8 +108,13 @@ impl<'r, 'a> AccessLevelsVisitor<'r, 'a> {
                     if current_vis.is_at_least(nearest_available_vis, &*self.r) {nearest_available_vis} else {current_vis}
                 }
             };
+            let current_effective_vis_copy = current_effective_vis.clone();
             current_effective_vis.update(calculated_effective_vis, tag, &*self.r);
-            self.r.access_levels.set_effective_vis(current_id, current_effective_vis);
+
+            if current_effective_vis_copy != current_effective_vis {
+                self.changed = true;
+                self.r.access_levels.set_effective_vis(current_id, current_effective_vis);
+            }
         }
     }
 

Original file line number	Diff line number	Diff line change
`@@ -108,8 +108,13 @@ impl<'r, 'a> AccessLevelsVisitor<'r, 'a> {`
`108`	`108`	`if current_vis.is_at_least(nearest_available_vis, &*self.r) {nearest_available_vis} else {current_vis}`
`109`	`109`	`}`
`110`	`110`	`};`
	`111`	`+ let current_effective_vis_copy = current_effective_vis.clone();`
`111`	`112`	`current_effective_vis.update(calculated_effective_vis, tag, &*self.r);`
`112`		`- self.r.access_levels.set_effective_vis(current_id, current_effective_vis);`
	`113`	`+`
	`114`	`+ if current_effective_vis_copy != current_effective_vis {`
	`115`	`+ self.changed = true;`
	`116`	`+ self.r.access_levels.set_effective_vis(current_id, current_effective_vis);`
	`117`	`+ }`
`113`	`118`	`}`
`114`	`119`	`}`
`115`	`120`