[wasm][asm.js] Fix asm.js in tests to be more strictly valid.

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 6becaad6b706dea14d4b7a8d8c85800a5f3db6af..f5f57e989a046b03d865430c7ef930d4d825312a 100644
--- a/test/mjsunit/wasm/asm-wasm.js
+++ b/test/mjsunit/wasm/asm-wasm.js
@@ -78,7 +78,7 @@ function Float64Test() {
 
   function caller() {
     var a = 0.0;
-    var ret = 0|0;
+    var ret = 0;
     a = +sum(70.1,10.2);
     if (a == 80.3) {
       ret = 1|0;
@@ -416,7 +416,7 @@ function TestContinueInDoWhileFalse() {
   function caller() {
     do {
       continue;
-    } while (false);
+    } while (0);
     return 47;
   }
 
@@ -889,7 +889,7 @@ function TestInitFunctionWithNoGlobals() {
   function caller() {
     return 51;
   }
-  return {caller};
+  return {caller:caller};
 }
 
 assertWasm(51, TestInitFunctionWithNoGlobals);
@@ -1101,7 +1101,6 @@ function TestForeignFunctionMultipleUse() {
 print("TestForeignFunctionMultipleUse...");
 TestForeignFunctionMultipleUse();
 
-
 function TestForeignVariables() {
   function AsmModule(stdlib, foreign, buffer) {
     "use asm";
@@ -1474,7 +1473,7 @@ assertWasm(3, TestAndNegative);
 function TestNegativeDouble() {
   "use asm";
   function func() {
-    var x = -(34359738368.25);
+    var x = -34359738368.25;
     var y = -2.5;
     return +(x + y);
   }
@@ -1513,6 +1512,9 @@ assertWasm(-34359738370.75, TestNegativeDouble);
 })();
 
 
+/*
+// TODO(bradnelson): Technically invalid, but useful to cover unicode, revises
+// and re-enable.
 (function TestUnicodeExportKey() {
   function Module() {
     "use asm";
@@ -1526,6 +1528,7 @@ assertWasm(-34359738370.75, TestNegativeDouble);
   assertEquals(42, m.Ñæ());
   assertValidAsm(Module);
 })();
+*/
 
 
 function TestAndIntAndHeapValue(stdlib, foreign, buffer) {