Index: stream_translator.hpp
===================================================================
--- stream_translator.hpp	(revision 80699)
+++ stream_translator.hpp	(working copy)
@@ -140,6 +140,7 @@
                 i < (std::numeric_limits<signed char>::min)())
             {
                 s.clear(); // guarantees eof to be unset
+                s.setstate(std::ios_base::badbit);
                 return;
             }
             e = (signed char)i;
@@ -161,6 +162,7 @@
             // out of range?
             if(i > (std::numeric_limits<unsigned char>::max)()) {
                 s.clear(); // guarantees eof to be unset
+                s.setstate(std::ios_base::badbit);
                 return;
             }
             e = (unsigned char)i;