Add m-esr52 at 52.6.0

1 files changed, 35 insertions, 0 deletions

diff --git a/js/src/tests/ecma_6/Statements/if-constant-folding.js b/js/src/tests/ecma_6/Statements/if-constant-folding.js
new file mode 100644
index 000000000..0486ad56f
--- /dev/null
+++ b/js/src/tests/ecma_6/Statements/if-constant-folding.js
@@ -0,0 +1,35 @@
+// Any copyright is dedicated to the Public Domain.
+// http://creativecommons.org/licenses/publicdomain/
+
+//-----------------------------------------------------------------------------
+var gTestfile = "if-constant-folding.js";
+var BUGNUMBER = 1183400;
+var summary =
+  "Don't crash constant-folding an |if| governed by a truthy constant, whose " +
+  "alternative statement is another |if|";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+// Perform |if| constant folding correctly when the condition is constantly
+// truthy and the alternative statement is another |if|.
+if (true)
+{
+  assertEq(true, true, "sanity");
+}
+else if (42)
+{
+  assertEq(false, true, "not reached");
+  assertEq(true, false, "also not reached");
+}
+
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("Tests complete");