1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/gc/bug-1557928.js b/js/src/jit-test/tests/gc/bug-1557928.js
new file mode 100644
index 0000000000..7746d353fb
--- /dev/null
+++ b/js/src/jit-test/tests/gc/bug-1557928.js
@@ -0,0 +1,19 @@
+// |jit-test| skip-if: helperThreadCount() === 0
+
+var g = newGlobal({ newCompartment: true });
+var dbg = new Debugger;
+var gw = dbg.addDebuggee(g);
+lfOffThreadGlobal = g;
+lfOffThreadGlobal.offThreadCompileToStencil(`
+    grayRoot()[0] = "foo";
+  `);
+var stencil = lfOffThreadGlobal.finishOffThreadStencil();
+lfOffThreadGlobal.evalStencil(stencil);
+var g = newGlobal({newCompartment: true});
+var gw = dbg.addDebuggee(g);
+lfOffThreadGlobal = null;
+gc();
+schedulezone(this);
+schedulezone('atoms');
+gc('zone');
+