Add mostly-ide-generated hashCode for RootedPath

Removed null-checks since not expecting null. RootedPath's hashCode is called
enough that it's worth optimizing.

PiperOrigin-RevId: 188801280

1 files changed, 6 insertions, 1 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/vfs/RootedPath.java b/src/main/java/com/google/devtools/build/lib/vfs/RootedPath.java
index aa7a1f4fe9..c3108b1afa 100644
--- a/src/main/java/com/google/devtools/build/lib/vfs/RootedPath.java
+++ b/src/main/java/com/google/devtools/build/lib/vfs/RootedPath.java
@@ -111,9 +111,14 @@ public class RootedPath implements Serializable {
 
   @Override
   public int hashCode() {
-    return Objects.hash(root, rootRelativePath);
+    final int prime = 31;
+    int result = 1;
+    result = prime * result + root.hashCode();
+    result = prime * result + rootRelativePath.hashCode();
+    return result;
   }
 
+
   @Override
   public String toString() {
     return "[" + root + "]/[" + rootRelativePath + "]";