Add m-esr52 at 52.6.0

1 files changed, 19 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/saved-stacks/generators.js b/js/src/jit-test/tests/saved-stacks/generators.js
new file mode 100644
index 000000000..287899758
--- /dev/null
+++ b/js/src/jit-test/tests/saved-stacks/generators.js
@@ -0,0 +1,19 @@
+// Test that we can save stacks which have generator frames.
+
+const { value: frame } = (function iife1() {
+  return (function* generator() {
+    yield (function iife2() {
+      return saveStack();
+    }());
+  }()).next();
+}());
+
+// Bug 1102498 - toString does not include self-hosted frames, which can appear
+// depending on GC timing. This may end up changing in the future, see
+// bug 1103155.
+
+var lines = frame.toString().split("\n");
+assertEq(lines[0].startsWith("iife2@"), true);
+assertEq(lines[1].startsWith("generator@"), true);
+assertEq(lines[2].startsWith("iife1@"), true);
+assertEq(lines[3].startsWith("@"), true);