Move clearing the support vars to before the offset doc ready call in case the...

Move clearing the support vars to before the offset doc ready call in case the offset tests are run synchronously. Fixes #10737.

- Adding a test for this would probably slow the manipulation tests significantly, but it's simple enough.

src/support.js

@@ -253,6 +253,12 @@ jQuery.support = (function() {
 		}
 	}
 
+	testElement.innerHTML = "";
+	testElementParent.removeChild( testElement );
+
+	// Null connected elements to avoid leaks in IE
+	testElement = fragment = select = opt = body = marginDiv = div = input = null;
+
 	// Run fixed position tests at doc ready to avoid a crash
 	// related to the invisible body in IE8
 	jQuery(function() {
@@ -311,12 +317,6 @@ jQuery.support = (function() {
 		jQuery.extend( support, offsetSupport );
 	});
 
-	testElement.innerHTML = "";
-	testElementParent.removeChild( testElement );
-
-	// Null connected elements to avoid leaks in IE
-	testElement = fragment = select = opt = body = marginDiv = div = input = null;
-
 	return support;
 })();