1 files changed, 22 insertions, 1 deletions
diff --git a/deps/v8/test/mjsunit/wasm/test-wasm-module-builder.js b/deps/v8/test/mjsunit/wasm/test-wasm-module-builder.js
index 0b01df4427..3915109bbe 100644
--- a/deps/v8/test/mjsunit/wasm/test-wasm-module-builder.js
+++ b/deps/v8/test/mjsunit/wasm/test-wasm-module-builder.js
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --expose-wasm
+// Flags: --expose-wasm --experimental-wasm-typed-funcref
 
 d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
 
@@ -183,3 +183,24 @@ function instantiate(buffer, ffi) {
     assertEquals(i, instance.exports.main());
   }
 })();
+
+(function TestBigTypeIndices() {
+  print(arguments.callee.name);
+  // These are all positive type indices (e.g. kI31RefCode and not kWasmI31Ref)
+  // and should be treated as such.
+  let indices = [kI31RefCode, kDataRefCode, 200, 400];
+  let kMaxIndex = 400;
+  let builder = new WasmModuleBuilder();
+  for (let i = 0; i <= kMaxIndex; i++) {
+    builder.addType(kSig_i_i);
+    builder.addFunction(undefined, i)
+           .addBody([kExprLocalGet, 0]);
+    builder.addGlobal(wasmRefType(i), false, WasmInitExpr.RefFunc(i));
+  }
+  for (let i of indices) {
+    builder.addFunction('f_' + i, makeSig([], [wasmRefType(i)]))
+      .addBody([kExprRefFunc, ...wasmSignedLeb(i, 5)])
+      .exportFunc();
+  }
+  builder.instantiate();
+})();