1 files changed, 31 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 000000000..51b589d25
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/regress/select-any.js
@@ -0,0 +1,31 @@
+load(libdir + "wasm.js");
+
+// Bug 1280921
+
+var m1 = wasmEvalText(
+`(module
+  (type $type0 (func))
+  (func $func0
+   (select (unreachable) (return (nop)) (loop (i32.const 1))))
+  (export "" 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)))
+  (export "" 0))`).exports[""];
+
+try {
+    m2();
+} catch (e) {
+    if (!(e instanceof Error && e.message.match(/unreachable executed/)))
+	throw e;
+}