Make embedded maps in optimized code weak.

test/mjsunit/mjsunit.status

Index: test/mjsunit/mjsunit.status
diff --git a/test/mjsunit/mjsunit.status b/test/mjsunit/mjsunit.status
index c9770dc620e0292500ea03b1b2ffb2999a3db3ac..b7b24c1becd84d716b1916e11decfd108bda1b08 100644
--- a/test/mjsunit/mjsunit.status
+++ b/test/mjsunit/mjsunit.status
@@ -84,6 +84,10 @@ tools/tickprocessor: PASS, SKIP if ($arch == android_arm || $arch == android_ia3
 math-floor-of-div-nosudiv: PASS, SKIP if ($arch != arm && $arch != android_arm)
 
 ##############################################################################
+# Long running test that reproduces memory leak and should be run manually.
+regress/regress-2073: SKIP
+
+##############################################################################
 [ $arch == arm || $arch == android_arm ]
 
 # Slow tests which times out in debug mode.