Add regression test for recently fixed bug

test/mjsunit/regress/regress-crbug-258519.js

Index: test/mjsunit/regress/regress-crbug-258519.js
diff --git a/test/mjsunit/regress/regress-crbug-242870.js b/test/mjsunit/regress/regress-crbug-258519.js
similarity index 81%
copy from test/mjsunit/regress/regress-crbug-242870.js
copy to test/mjsunit/regress/regress-crbug-258519.js
index 7183375ca811cedc81c870d34e694e98cf727f9b..b2015a8426f95dbd713afa5999ddd6d585ca7320 100644
--- a/test/mjsunit/regress/regress-crbug-242870.js
+++ b/test/mjsunit/regress/regress-crbug-258519.js
@@ -27,17 +27,19 @@
 
 // Flags: --allow-natives-syntax
 
-var non_const_true = true;
-
-function f() {
-  return (non_const_true || true && g());
+var a = {
+  compare_null: function(x) { return null != x; },
+  kaboom: function() {}
 }
 
-function g() {
-  for (;;) {}
+function crash(x) {
+  var b = a;
+  b.compare_null(x) && b.kaboom();
+  return "ok";
 }
 
-assertTrue(f());
-assertTrue(f());
-%OptimizeFunctionOnNextCall(f);
-assertTrue(f());
+assertEquals("ok", crash(null));
+assertEquals("ok", crash(null));
+%OptimizeFunctionOnNextCall(crash);
+// Used to throw: "TypeError: Cannot call method 'kaboom' of undefined".
+assertEquals("ok", crash(1));