1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/bug1437537.js b/js/src/jit-test/tests/debug/bug1437537.js
new file mode 100644
index 0000000000..ecee9b120c
--- /dev/null
+++ b/js/src/jit-test/tests/debug/bug1437537.js
@@ -0,0 +1,18 @@
+// Don't assert when pausing for onStep at JSOP_EXCEPTION.
+
+var g = newGlobal({newCompartment: true});
+var dbg = new Debugger(g);
+let f = g.Function(`try { throw new Error; } catch (e) { return 'natural'; }`);
+
+let limit = -1;
+dbg.onEnterFrame = function (frame) {
+    frame.onStep = function () {
+        if (this.offset > limit) {
+            limit = this.offset;
+            return { return: 'forced' };
+        }
+    };
+};
+
+while (f() === 'forced') {
+}