[wasm] Enforce module size limit early enough

test/mjsunit/regress/wasm/regression-694433.js

Index: test/mjsunit/regress/wasm/regression-694433.js
diff --git a/test/mjsunit/regress/wasm/regression-694433.js b/test/mjsunit/regress/wasm/regression-694433.js
new file mode 100644
index 0000000000000000000000000000000000000000..a260e20790c3fae1d7a915a98611838637480ed3
--- /dev/null
+++ b/test/mjsunit/regress/wasm/regression-694433.js
@@ -0,0 +1,6 @@
+// Copyright 2017 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+var size = 0x40000000;
+assertThrows(() => WebAssembly.validate(new Uint16Array(size)), RangeError);