1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/bug-1576862-2.js b/js/src/jit-test/tests/debug/bug-1576862-2.js
new file mode 100644
index 0000000000..6f7c31e98a
--- /dev/null
+++ b/js/src/jit-test/tests/debug/bug-1576862-2.js
@@ -0,0 +1,23 @@
+// |jit-test| skip-if: !('stackTest' in this)
+// Failure to rewrap an exception in Completion::fromJSResult should be propagated.
+
+var dbgGlobal = newGlobal({ newCompartment: true });
+var dbg = new dbgGlobal.Debugger();
+dbg.addDebuggee(this);
+
+function test() {
+  // Make this call's stack frame a debuggee, to ensure that
+  // slowPathOnLeaveFrame runs when this frame exits. That calls
+  // Completion::fromJSResult to capture this frame's completion value.
+  dbg.getNewestFrame();
+
+  // Throw from the non-debuggee compartment, to force Completion::fromJSResult
+  // to rewrap the exception.
+  dbgGlobal.assertEq(1,2);
+}
+
+stackTest(test, {
+  // When the bug is fixed, the failure to rewrap the exception turns the throw
+  // into a termination, so we won't get an exception.
+  expectExceptionOnFailure: false
+});