Add info about the patch file to README and get rid of possible memory leak

README.md

@@ -5,3 +5,5 @@ Runtime/Compile time copyable type info. Library is waiting for boost reiew.
 Documantation available at: http://apolukhin.github.com/type_index/index.html
 
 Distributed under the Boost Software License, Version 1.0. (http://www.boost.org/LICENSE_1_0.txt).
+
+While ticket #9228 is not solved, use boost_test_no_rtti.patch to make the tests compile.

boost/type_index/type_index_impl.hpp

@@ -131,10 +131,18 @@ public:
     /// Returns user-friendly name
     std::string name_demangled() const {
         #if defined(__GNUC__)
+            std::string ret;
             int status = 0 ;
             char* demang = abi::__cxa_demangle(pinfo_->name(), NULL, 0, &status);
             BOOST_ASSERT(!status);
-            std::string ret(demang);
+            
+            BOOST_TRY {
+                ret = demang; // may throw out of memory exception
+            } BOOST_CATCH (...) {
+                free(demang);
+                BOOST_RETHROW;
+            } BOOST_CATCH_END
+            
             free(demang);
             return ret;
         #else