--- old/test/java/time/test/java/time/TestClock_System.java	2015-02-23 18:30:13.000000000 +0100
+++ new/test/java/time/test/java/time/TestClock_System.java	2015-02-23 18:30:13.000000000 +0100
@@ -66,6 +66,9 @@
 import java.time.Clock;
 import java.time.Instant;
 import java.time.ZoneId;
+import java.time.ZoneOffset;
+import java.util.HashMap;
+import java.util.Map;
 
 import org.testng.annotations.Test;
 
@@ -76,6 +79,7 @@
 public class TestClock_System {
 
     private static final ZoneId PARIS = ZoneId.of("Europe/Paris");
+    private static final Clock systemUTC = Clock.systemUTC();
 
     public void test_withZone_same() {
         Clock test = Clock.system(PARIS);
@@ -90,6 +94,32 @@
     }
 
     //-----------------------------------------------------------------------
+    // Test for 8073394
+    public void test_systemUTC() {
+        Map<String, Clock> clocks = new HashMap<>();
+        clocks.put("Clock.systemUTC()#1",  Clock.systemUTC());
+        clocks.put("Clock.systemUTC()#2",  Clock.systemUTC());
+        clocks.put("Clock.system(ZoneOffset.UTC)#1",  Clock.system(ZoneOffset.UTC));
+        clocks.put("Clock.system(ZoneOffset.UTC)#2",  Clock.system(ZoneOffset.UTC));
+
+        clocks.forEach(TestClock_System::checkSystemUTC);
+    }
+
+    static String toString(Clock c) {
+        return c == null ? null : 
+               c + " " + c.getClass().getName() + "@" + System.identityHashCode(c);
+    }
+
+    static void checkSystemUTC(String s, Clock c) {
+        System.out.println("Checking " + s);
+        if (c != systemUTC) {
+            throw new RuntimeException("Unexpected clock instance for " + s + ": "
+                + "\n\texpected: " + toString(systemUTC)
+                + "\n\tactual:   " + toString(c));
+        }
+    }
+
+    //-----------------------------------------------------------------------
 
     private static String formatTime(String prefix, Instant time) {
         return prefix + ": " + time + " - seconds: "