Revert "load store elimination."

Breaks libcore tests:

  libcore.java.lang.ref.FinalizeTest#testWatchdogDoesNotFailForObjectsThatAreNearTheDeadline
  libcore.java.util.ResourceLeakageDetectorTest#testDetectsUnclosedCloseGuard
  org.apache.harmony.tests.java.lang.ref.ReferenceTest#test_finalizeReferenceInteraction

This reverts commit 589dac7f0ce078d19aad7e35bb0195c47ddf01d2.

Change-Id: I55115765c10762d5bc152d3425e4622560d8b9f4
diff --git a/test/532-checker-nonnull-arrayset/src/Main.java b/test/532-checker-nonnull-arrayset/src/Main.java
index 2c701bb..7d8fff4 100644
--- a/test/532-checker-nonnull-arrayset/src/Main.java
+++ b/test/532-checker-nonnull-arrayset/src/Main.java
@@ -29,10 +29,10 @@
   /// CHECK-NOT:      test
   /// CHECK:          ReturnVoid
   public static void test() {
-    Object[] array = new Object[2];
+    Object[] array = new Object[1];
     Object nonNull = array[0];
     nonNull.getClass(); // Ensure nonNull has an implicit null check.
-    array[1] = nonNull;
+    array[0] = nonNull;
   }
 
   public static void main(String[] args) {}