1 files changed, 12 insertions, 0 deletions
diff --git a/toolkit/crashreporter/test/unit/test_crash_win64cfi_unknown_op.js b/toolkit/crashreporter/test/unit/test_crash_win64cfi_unknown_op.js
new file mode 100644
index 0000000000..cdcd8c2aad
--- /dev/null
+++ b/toolkit/crashreporter/test/unit/test_crash_win64cfi_unknown_op.js
@@ -0,0 +1,12 @@
+add_task(async function run_test() {
+  // In the case of an unknown unwind code or missing CFI,
+  // make certain we can still walk the stack via stack scan. The crashing
+  // function places NO_MANS_LAND on the stack so it will get picked up via
+  // stack scan.
+  await do_x64CFITest("CRASH_X64CFI_UNKNOWN_OPCODE", [
+    { symbol: "CRASH_X64CFI_UNKNOWN_OPCODE", trust: "context" },
+    // Trust may either be scan or frame_pointer; we don't really care as
+    // long as the address is expected.
+    { symbol: "CRASH_X64CFI_NO_MANS_LAND", trust: null },
+  ]);
+});