Merged r19693, r19694, r19847, r19893 into 3.24 branch.

test/mjsunit/regress/regress-350884.js

Index: test/mjsunit/regress/regress-350884.js
diff --git a/test/mjsunit/regress/regress-347904.js b/test/mjsunit/regress/regress-350884.js
similarity index 50%
copy from test/mjsunit/regress/regress-347904.js
copy to test/mjsunit/regress/regress-350884.js
index 1a27b054a4b89b8e8841c9311f1c155aea7ce4d7..86568534ee705e0adfb945912dde5e1487b192a7 100644
--- a/test/mjsunit/regress/regress-347904.js
+++ b/test/mjsunit/regress/regress-350884.js
@@ -2,11 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --allow-natives-syntax --stress-runs=2
+var obj = new Array(1);
+obj[0] = 0;
+obj[1] = 0;
+function foo(flag_index) {
+  obj[flag_index]++;
+}
 
-var v = /abc/;
-function f() {
-  v = 1578221999;
-};
-%OptimizeFunctionOnNextCall(f);
-f();
+// Force dictionary properties on obj.
+obj[-8] = 3;
+foo(1);
+foo(2);