Add m-esr52 at 52.6.0

1 files changed, 37 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/ion/recover-lambdas-bug1113940.js b/js/src/jit-test/tests/ion/recover-lambdas-bug1113940.js
new file mode 100644
index 000000000..078e51ad2
--- /dev/null
+++ b/js/src/jit-test/tests/ion/recover-lambdas-bug1113940.js
@@ -0,0 +1,37 @@
+
+gczeal(14);
+
+// The object metadata callback can iterate over the stack. Thus during the
+// allocation of the lambda we might inspect the stack which is still incomplete
+// because the lambda is not yet reconstructed.
+//
+// enableShellAllocationMetadataBuilder ignores its argument, because we don't
+// permit metadata callbacks to run JS any more, so this test may be
+// unnecessary. We'll preserve its structure just in case.
+enableShellAllocationMetadataBuilder(function() {});
+function f() {
+    (function() {
+        '' ^ Object
+    })();
+}
+x = 0;
+for (var j = 0; j < 99; ++j) {
+    x += f();
+}
+
+try {
+  x = true;
+  // Same comment as above.
+  enableShellAllocationMetadataBuilder(function([x, y, z], ... Debugger) {});
+  for (var i = 0; i < 10; ++i) {
+    var f = function() {
+      function g() {
+	x++;
+      }
+      g();
+    }
+    f();
+  }
+} catch (e) {
+  assertEq(e instanceof TypeError, true);
+}