1 files changed, 26 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 0000000000..319755c609
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/compiler-frame-depth.js
@@ -0,0 +1,26 @@
+// Ensures that the postorder allows us to have very deep expression trees.
+
+var expr = '(local.get 0)';
+
+for (var i = 1000; i --> 0; ) {
+    expr = `(f32.neg ${expr})`;
+}
+
+var code = `(module
+ (func
+  (param f32)
+  (result f32)
+  ${expr}
+ )
+ (export "run" (func 0))
+)`;
+
+try {
+    wasmFullPass(code, Math.fround(13.37), {}, 13.37);
+} catch (e) {
+    // Some configurations, like e.g. ASAN, will fail these tests because its
+    // stack frames are much bigger than usual ones and the parser will bail
+    // out during its recursive descent.
+    // Ignore those errors specifically.
+    assertEq(e.message.includes('out of memory'), true);
+}