Remove outdated comment.

cjgillot · cjgillot · commit ae318e34449c · 2023-05-17T10:26:04.000Z
diff --git a/compiler/rustc_data_structures/src/graph/dominators/mod.rs b/compiler/rustc_data_structures/src/graph/dominators/mod.rs
@@ -315,8 +315,6 @@ pub struct DominatorTree<N: Idx> {
     // Even though we track only the immediate dominator of each node, it's
     // possible to get its full list of dominators by looking up the dominator
     // of each dominator. (See the `impl Iterator for Iter` definition).
-    //
-    // Note: immediate_dominators[root] is Some(root)!
     immediate_dominators: IndexVec<N, Option<N>>,
 }
 

Original file line number	Diff line number	Diff line change
`@@ -315,8 +315,6 @@ pub struct DominatorTree<N: Idx> {`
`315`	`315`	`// Even though we track only the immediate dominator of each node, it's`
`316`	`316`	`// possible to get its full list of dominators by looking up the dominator`
`317`	`317`	// of each dominator. (See the `impl Iterator for Iter` definition).
`318`		`- //`
`319`		`- // Note: immediate_dominators[root] is Some(root)!`
`320`	`318`	`immediate_dominators: IndexVec<N, Option<N>>,`
`321`	`319`	`}`
`322`	`320`