1 files changed, 53 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/ion-gc.js b/js/src/jit-test/tests/wasm/ion-gc.js
new file mode 100644
index 0000000000..358afb2548
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/ion-gc.js
@@ -0,0 +1,53 @@
+// |jit-test| skip-if: !getJitCompilerOptions()['baseline.enable']
+// These tests need at least baseline to make sense.
+
+const options = getJitCompilerOptions();
+const TRIGGER = options['baseline.warmup.trigger'] + 10;
+const ITER = 2 * TRIGGER;
+const EXCEPTION_ITER = TRIGGER + 5;
+
+for (let type of ['i32', 'f32', 'f64']) {
+    var instance = wasmEvalText(`(module
+        (func $add (export "add") (param ${type}) (param ${type}) (result ${type})
+         local.get 0
+         local.get 1
+         ${type}.add
+        )
+    )`).exports;
+
+    function loopBody(a, b) {
+        var caught = null;
+        try {
+            instance.add(a, b);
+        } catch(e) {
+            caught = e;
+        }
+        assertEq(!!caught, b === EXCEPTION_ITER);
+    }
+
+    var x = 0;
+    function main() {
+        for (var i = 0; i <= EXCEPTION_ITER; i++) {
+            loopBody(i + 1, i + EXCEPTION_ITER + 1);
+
+            let otherArg = { valueOf() { return i|0; } };
+
+            if (i === EXCEPTION_ITER) {
+                x = { valueOf: function innerValueOf() {
+                    // Supress callee.
+                    instance = null;
+                    // Suppress other arguments.
+                    otherArg = null;
+                    gc();
+                    return 42;
+                }};
+            } else {
+                x = i;
+            }
+
+            loopBody({valueOf: function outerValueOf() { return x|0; }}, otherArg);
+        }
+    }
+
+    main();
+}