1 files changed, 1 insertions, 1 deletions
diff --git a/src/jdk/nashorn/internal/runtime/regexp/joni/OptEnvironment.java b/src/jdk/nashorn/internal/runtime/regexp/joni/OptEnvironment.java
index 8c75e03d..ba1eb136 100644
--- a/src/jdk/nashorn/internal/runtime/regexp/joni/OptEnvironment.java
+++ b/src/jdk/nashorn/internal/runtime/regexp/joni/OptEnvironment.java
@@ -26,7 +26,7 @@ final class OptEnvironment {
     int caseFoldFlag;
     ScanEnvironment scanEnv;
 
-    void copy(OptEnvironment other) {
+    void copy(final OptEnvironment other) {
         mmd.copy(other.mmd);
         options = other.options;
         caseFoldFlag = other.caseFoldFlag;