Fix regression in regexp-caching.html

Review URL: http://codereview.chromium.org/27273

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@1391 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/regexp-delay.js

@@ -318,7 +318,8 @@ function SetupRegExp() {
     return IS_UNDEFINED(regExpInput) ? "" : regExpInput;
   }
   function RegExpSetInput(string) {
-    lastMatchInfo[lastMatchInfo[REGEXP_NUMBER_OF_CAPTURES] + 2] = string;
+    lastMatchInfo[lastMatchInfo[REGEXP_NUMBER_OF_CAPTURES] + 2] =
+        ToString(string);
   };
 
   %DefineAccessor($RegExp, 'input', GETTER, RegExpGetInput, DONT_DELETE);

test/mjsunit/regexp-static.js

@@ -132,3 +132,8 @@ for (var i = 4; i < 10; ++i) {
 re = /(.)/g;
 function f() { return RegExp.$1; };
 assertEquals('abcd', 'abcd'.replace(re, f));
+
+RegExp.multiline = "foo";
+assertTrue(typeof RegExp.multiline == typeof Boolean(), "RegExp.multiline coerces values to booleans");
+RegExp.input = Number();
+assertTrue(typeof RegExp.input == typeof String(), "RegExp.input coerces values to booleans");