1 files changed, 66 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug766218.js b/js/src/jit-test/tests/ion/bug766218.js
new file mode 100644
index 000000000..9ac5744f2
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug766218.js
@@ -0,0 +1,66 @@
+// Test strict-equality with a constant boolean.
+function test1() {
+    var a = [{}, false, true, 0];
+    var res = 0;
+
+    for (var i=0; i<100; i++) {
+        if (a[i % 4] === false)
+            res += 1;
+    }
+    assertEq(res, 25);
+
+    res = 0;
+    for (var i=0; i<100; i++) {
+        if (true !== a[i % 4])
+            res += 1;
+    }
+    assertEq(res, 75);
+
+    res = 0;
+    for (var i=0; i<100; i++) {
+        res += (a[i % 4] === true);
+    }
+    assertEq(res, 25);
+
+    res = 0;
+    for (var i=0; i<100; i++) {
+        res += (false !== a[i % 4]);
+    }
+    assertEq(res, 75);
+}
+test1();
+
+// Test strict-equality with non-constant boolean.
+var TRUE = true;
+var FALSE = false;
+
+function test2() {
+    var a = [{}, false, true, 0];
+    var res = 0;
+
+    for (var i=0; i<100; i++) {
+        if (a[i % 4] === FALSE)
+            res += 1;
+    }
+    assertEq(res, 25);
+
+    res = 0;
+    for (var i=0; i<100; i++) {
+        if (TRUE !== a[i % 4])
+            res += 1;
+    }
+    assertEq(res, 75);
+
+    res = 0;
+    for (var i=0; i<100; i++) {
+        res += (a[i % 4] === TRUE);
+    }
+    assertEq(res, 25);
+
+    res = 0;
+    for (var i=0; i<100; i++) {
+        res += (FALSE !== a[i % 4]);
+    }
+    assertEq(res, 75);
+}
+test2();