1 files changed, 126 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/ion-error-trace.js b/js/src/jit-test/tests/wasm/ion-error-trace.js
new file mode 100644
index 0000000000..cd9d9dd1ad
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/ion-error-trace.js
@@ -0,0 +1,126 @@
+///////////////////////////////////////////////////////////////////////////////
+// FIRST TEST /////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+
+(function() {
+
+function debug() {
+    throw new Error('gotcha');
+}
+
+var imports = {
+    numCalls:0,
+    main: {
+        f() {
+            debug();
+        }
+    }
+};
+
+var instance = new WebAssembly.Instance(new WebAssembly.Module(wasmTextToBinary(`(module
+    (import "main" "f" (func))
+    (func (export "add") (param i32) (param i32) (result i32)
+     local.get 0
+     local.get 1
+     call 2
+    )
+    (func (param i32) (param i32) (result i32)
+     local.get 0
+     i32.const 5000
+     i32.eq
+     if
+         call 0
+     end
+
+     local.get 0
+     local.get 1
+     i32.add
+    )
+)`)), imports).exports;
+
+function loopBody(i) {
+    var caught = null;
+    try {
+        assertEq(instance.add(i, i), 2 * i);
+    } catch(e) {
+        // TODO check stack trace
+        print(e.stack);
+        caught = e;
+    }
+    assertEq(!!caught, i === 5000);
+}
+
+function main() {
+    for (var i = 0; i < 100000; i++) {
+        loopBody(i);
+    }
+    assertEq(i, 100000);
+}
+
+main();
+
+})();
+
+///////////////////////////////////////////////////////////////////////////////
+// SECOND TEST ////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+
+(function() {
+
+function debug() {
+    gc();
+}
+
+var imports = {
+    numCalls:0,
+    main: {
+        f() {
+            debug();
+        }
+    }
+};
+
+var instance = new WebAssembly.Instance(new WebAssembly.Module(wasmTextToBinary(`(module
+    (import "main" "f" (func))
+    (func (export "add") (param i32) (param i32) (result i32)
+     local.get 0
+     local.get 1
+     call 2
+    )
+    (func (param i32) (param i32) (result i32)
+     local.get 0
+     i32.const 5000
+     i32.eq
+     if
+         call 0
+         unreachable
+     end
+
+     local.get 0
+     local.get 1
+     i32.add
+    )
+)`)), imports).exports;
+
+function loopBody(i) {
+    var caught = null;
+    try {
+        assertEq(instance.add(i, i), 2 * i);
+    } catch(e) {
+        // TODO check stack trace
+        print(e.stack);
+        caught = e;
+    }
+    assertEq(!!caught, i === 5000);
+}
+
+function main() {
+    for (var i = 0; i < 100000; i++) {
+        loopBody(i);
+    }
+    assertEq(i, 100000);
+}
+
+main();
+
+})();