diff --git a/js/src/jit-test/tests/ion/bug1331405.js b/js/src/jit-test/tests/ion/bug1331405.js
new file mode 100644
index 000000000000..e10b96347b3d
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug1331405.js
@@ -0,0 +1,4 @@
+// |jit-test| error:ReferenceError
+
+++f();
+try {} catch (e) {}
diff --git a/js/src/jit/IonControlFlow.cpp b/js/src/jit/IonControlFlow.cpp
index 7b73bec353ec..c2750e9f35fd 100644
--- a/js/src/jit/IonControlFlow.cpp
+++ b/js/src/jit/IonControlFlow.cpp
@@ -337,6 +337,7 @@ ControlFlowGenerator::snoopControlFlow(JSOp op)
         return processTry();
 
       case JSOP_OPTIMIZE_SPREADCALL:
+      case JSOP_THROWMSG:
         // Not implemented yet.
         return ControlStatus::Abort;