Merge fd9e395e30 into e008c0c3ff

rebar.config

@@ -10,7 +10,7 @@
     {"(linux|solaris|freebsd|netbsd|openbsd|dragonfly|darwin)",
         "CFLAGS", "$CFLAGS -Ic_src/ -g -Wall -Werror -O3 -fno-strict-aliasing"},
     {"(linux|solaris|freebsd|netbsd|openbsd|dragonfly|darwin)",
-        "CXXFLAGS", "$CXXFLAGS -Ic_src/ -g -Wall -Werror -O3"},
+        "CXXFLAGS", "$CXXFLAGS -Ic_src/ -g -Wall -Werror -O3 -fwrapv"},
 
     {"(linux|solaris|freebsd|netbsd|openbsd|dragonfly|darwin)",
         "LDFLAGS", "$LDFLAGS -lstdc++"},