Remove unnecessary cgu name length hash

bjorn3 · bjorn3 · commit 21010f988f7b · 2022-05-13T10:29:35.000Z
diff --git a/compiler/rustc_query_system/src/dep_graph/dep_node.rs b/compiler/rustc_query_system/src/dep_graph/dep_node.rs
@@ -164,7 +164,6 @@ pub struct WorkProductId {
 impl WorkProductId {
     pub fn from_cgu_name(cgu_name: &str) -> WorkProductId {
         let mut hasher = StableHasher::new();
-        cgu_name.len().hash(&mut hasher);
         cgu_name.hash(&mut hasher);
         WorkProductId { hash: hasher.finish() }
     }

Original file line number	Diff line number	Diff line change
`@@ -164,7 +164,6 @@ pub struct WorkProductId {`
`164`	`164`	`impl WorkProductId {`
`165`	`165`	`pub fn from_cgu_name(cgu_name: &str) -> WorkProductId {`
`166`	`166`	`let mut hasher = StableHasher::new();`
`167`		`- cgu_name.len().hash(&mut hasher);`
`168`	`167`	`cgu_name.hash(&mut hasher);`
`169`	`168`	`WorkProductId { hash: hasher.finish() }`
`170`	`169`	`}`