[turbofan] We cannot unconditionally flatten cons strings in the JSGraph.

test/mjsunit/regress/regress-crbug-545364.js

Index: test/mjsunit/regress/regress-crbug-545364.js
diff --git a/test/message/regress/regress-4266.js b/test/mjsunit/regress/regress-crbug-545364.js
similarity index 63%
copy from test/message/regress/regress-4266.js
copy to test/mjsunit/regress/regress-crbug-545364.js
index 552176bccf54e01f6c589ec420a06a0c4ba9e6c9..4fe99d0133d08440a90cef74fc59d5487438e172 100644
--- a/test/message/regress/regress-4266.js
+++ b/test/mjsunit/regress/regress-crbug-545364.js
@@ -3,9 +3,9 @@
 // found in the LICENSE file.
 
 (function() {
-  try {
-    [].foo();
-  } catch (e) {
-    throw e;
+  "use asm";
+  return function(x) {
+    for (var i = 0; i < 100000; ++i) {}
+    return x;
   }
-})();
+})()(this + "i");