1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/bug1776358.js b/js/src/jit-test/tests/wasm/bug1776358.js
new file mode 100644
index 0000000000..b2cf178bf2
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/bug1776358.js
@@ -0,0 +1,28 @@
+let func = wasmEvalText(`(module
+    (func
+        (param f64) (param f64) (param f64) (param f64) (param f64)
+        (param f64) (param f64) (param f64) (param f64)
+    )
+    (func
+        (param i32)
+        (result i32)
+        ;; Call in a dead branch.
+        (if (i32.const 0) (then
+          (call 0
+            (f64.const 0) (f64.const 0) (f64.const 0) (f64.const 0) (f64.const 0)
+            (f64.const 0) (f64.const 0) (f64.const 0) (f64.const 0)
+          )
+        ))
+        ;; Division to trigger a trap.
+        (i32.div_s (get_local 0) (get_local 0))
+    )
+    (export "" (func 1))
+)`).exports[""];
+assertEq(func(7), 1);
+let ex;
+try {
+    func(0);
+} catch (e) {
+    ex = e;
+}
+assertEq(ex instanceof WebAssembly.RuntimeError, true);