1 files changed, 14 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/bug1812979.js b/js/src/jit-test/tests/debug/bug1812979.js
new file mode 100644
index 0000000000..e6be4d0597
--- /dev/null
+++ b/js/src/jit-test/tests/debug/bug1812979.js
@@ -0,0 +1,14 @@
+// |jit-test| --fast-warmup; --no-threads
+function foo(n) {
+  with ({}) {}
+  if (n == 9) {
+    enableTrackAllocations();
+    var g = newGlobal({newCompartment: true});
+    var dbg = g.Debugger(this);
+    dbg.getNewestFrame().older;
+  }
+}
+for (var i = 0; i < 10; i++) {
+  for (var j = 0; j < 20; j++) {}
+  foo(i);
+}