Merge remote-tracking branch 'upstream/master'

exec/SegmentationFault.invalid.java

-class A {
-
-    public int i;
-
-    public static void main(String[] args) {
-        A a = null;
-        int i = a.i;
-    }
-}
\ No newline at end of file

exec/array_index_access_order.mj

@@ -6,7 +6,7 @@ class B {
             i[x] = (x = x + 1);
         }
         x = -1;
-        while(x < 4) {
+        while(x < 3) {
             System.out.println(i[(x = x + 1)]);
         }