1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/regress/select-any.js b/js/src/jit-test/tests/wasm/regress/select-any.js
new file mode 100644
index 0000000000..9e85d33897
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/regress/select-any.js
@@ -0,0 +1,41 @@
+// Bug 1280921
+
+var m1 = wasmEvalText(
+`(module
+  (type $type0 (func))
+  (func $func0
+   (select
+     (unreachable)
+     (return (nop))
+     (loop (result i32) (i32.const 1))
+   )
+   drop
+  )
+  (export "" (func 0)))`).exports[""];
+
+try {
+    m1();
+} catch (e) {
+    if (!(e instanceof Error && e.message.match(/unreachable executed/)))
+	throw e;
+}
+
+var m2 = wasmEvalText(
+`(module
+  (type $type0 (func))
+  (func $func0
+   (select
+    (i32.const 26)
+    (unreachable)
+    (i32.const 3)
+   )
+   drop
+  )
+  (export "" (func 0)))`).exports[""];
+
+try {
+    m2();
+} catch (e) {
+    if (!(e instanceof Error && e.message.match(/unreachable executed/)))
+	throw e;
+}