1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/profiler/wasm-to-js-2.js b/js/src/jit-test/tests/profiler/wasm-to-js-2.js
new file mode 100644
index 0000000000..3949c3a587
--- /dev/null
+++ b/js/src/jit-test/tests/profiler/wasm-to-js-2.js
@@ -0,0 +1,19 @@
+// |jit-test| skip-if: !wasmIsSupported()
+// Ensure readGeckoProfilingStack finds at least 1 Wasm frame on the stack.
+function calledFromWasm() {
+    let frames = readGeckoProfilingStack().flat();
+    assertEq(frames.filter(f => f.kind === "wasm").length >= 1, true);
+}
+enableGeckoProfiling();
+const text = `(module
+    (import "m" "f" (func $f))
+    (func (export "test")
+    (call $f)
+))`;
+const bytes = wasmTextToBinary(text);
+const mod = new WebAssembly.Module(bytes);
+const imports = {"m": {"f": calledFromWasm}};
+const instance = new WebAssembly.Instance(mod, imports);
+for (let i = 0; i < 150; i++) {
+    instance.exports.test();
+}