minor updates

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@104436 91177308-0d34-0410-b5e6-96231b3b80d8

www/comparison.html

@@ -50,8 +50,10 @@
     <ul>
     <li>GCC supports languages that clang does not aim to, such as Java, Ada,
         FORTRAN, etc.</li>
-    <li>GCC front-ends are very mature and already support C++.
-        <a href="cxx_status.html">clang's support for C++</a> is further behind.</li>
+    <li><a href="cxx_status.html">Clang support for C++</a> is more compliant 
+        than GCC's in many ways, but is not as mature as GCC's.  GCC has several
+        C++'0x features that Clang does not yet support (e.g. variadic 
+        templates).</li>
     <li>GCC supports more targets than LLVM.</li>
     <li>GCC is popular and widely adopted.</li>
     <li>GCC does not require a C++ compiler to build it.</li>