1 files changed, 20 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/compiler-frame-depth.js b/js/src/jit-test/tests/wasm/compiler-frame-depth.js
new file mode 100644
index 000000000..fdde919ba
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/compiler-frame-depth.js
@@ -0,0 +1,20 @@
+load(libdir + "wasm.js");
+
+// Ensures that the postorder allows us to have very deep expression trees.
+
+var expr = '(get_local 0)';
+
+for (var i = 1000; i --> 0; ) {
+    expr = `(f32.neg ${expr})`;
+}
+
+var code = `(module
+ (func
+  (result f32)
+  (param f32)
+  ${expr}
+ )
+ (export "run" 0)
+)`;
+
+wasmFullPass(code, Math.fround(13.37), {}, 13.37);