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-rw-r--r--js/src/tests/js1_5/Regress/regress-452742-01.js51
1 files changed, 51 insertions, 0 deletions
diff --git a/js/src/tests/js1_5/Regress/regress-452742-01.js b/js/src/tests/js1_5/Regress/regress-452742-01.js
new file mode 100644
index 000000000..69fdd2ba6
--- /dev/null
+++ b/js/src/tests/js1_5/Regress/regress-452742-01.js
@@ -0,0 +1,51 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 452742;
+var summary = 'Do not do overzealous eval inside function optimization in BindNameToSlot';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+ enterFunc ('test');
+ printBugNumber(BUGNUMBER);
+ printStatus (summary);
+
+ expect = actual = 'No Error';
+
+ var obj = { x: -100 };
+
+ function a(x)
+ {
+ var orig_x = x;
+ var orig_obj_x = obj.x;
+
+ with (obj) { eval("x = x + 10"); }
+
+ if (x !== orig_x)
+ throw "Unexpected mutation of x: " + x;
+ if (obj.x !== orig_obj_x + 10)
+ throw "Unexpected mutation of obj.x: " + obj.x;
+ }
+
+ try
+ {
+ a(0);
+ }
+ catch(ex)
+ {
+ actual = ex + '';
+ }
+ reportCompare(expect, actual, summary);
+
+ exitFunc ('test');
+}