fix: function body comments.

js/js.parser/src/com/google/gwt/dev/js/rhino/Parser.java

@@ -153,7 +153,7 @@ public class Parser {
         Node pn = nf.createBlock(ts.tokenPosition);
         try {
             int tt;
-            while ((tt = ts.peekToken()) > TokenStream.EOF && tt != TokenStream.RC) {
+            while ((tt = ts.peekTokenWithComment()) > TokenStream.EOF && tt != TokenStream.RC) {
                 if (tt == TokenStream.FUNCTION) {
                     ts.getToken();
                     pn.addChildToBack(function(ts, false));

js/js.parser/src/com/google/gwt/dev/js/rhino/TokenStream.java

@@ -536,13 +536,19 @@ public class TokenStream {
     }
 
     public int peekToken() throws IOException {
-        int result = getToken();
+        return peekTokenHelper(getToken());
+    }
 
-        this.pushbackToken = result;
+    public int peekTokenWithComment() throws IOException {
+        return peekTokenHelper(getTokenWithComment());
+    }
+
+    private int peekTokenHelper(int token) throws IOException {
+        this.pushbackToken = token;
         lastPosition = secondToLastPosition;
         lastTokenPosition = tokenPosition;
         tokenno--;
-        return result;
+        return token;
     }
 
     public int peekTokenSameLine() throws IOException {