[wasm][asm.js] Utf8 encode exported function names.

test/mjsunit/wasm/asm-wasm.js

Index: test/mjsunit/wasm/asm-wasm.js
diff --git a/test/mjsunit/wasm/asm-wasm.js b/test/mjsunit/wasm/asm-wasm.js
index 3d302c5f7a043acc9eaccfa267e71f0eed08d945..dac8cbe4975bca8a812cfa7ac0139de2c0347bfe 100644
--- a/test/mjsunit/wasm/asm-wasm.js
+++ b/test/mjsunit/wasm/asm-wasm.js
@@ -1497,6 +1497,21 @@ assertWasm(-34359738370.75, TestNegativeDouble);
 })();
 
 
+(function TestUnicodeExportKey() {
+  function Module() {
+    "use asm";
+    function func() {
+      return 42;
+    }
+    return {"\u00d1\u00e6": func};
+  }
+
+  var m = Module(stdlib);
+  assertEquals(42, m.Ñæ());
+  assertValidAsm(Module);
+})();
+
+
 function TestAndIntAndHeapValue(stdlib, foreign, buffer) {
   "use asm";
   var HEAP32 = new stdlib.Int32Array(buffer);