common/autoconf/flags.m4

rev 1225 : 8065648: Remove the flag -fsanitize=undefined for GCC 4.9 and later

*** 346,359 ****
        ;;
      slowdebug )
        # Add runtime stack smashing and undefined behavior checks
        CFLAGS_DEBUG_OPTIONS="-fstack-protector-all --param ssp-buffer-size=1"
        CXXFLAGS_DEBUG_OPTIONS="-fstack-protector-all --param ssp-buffer-size=1"
-       if test "x$HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR" = "xtrue"; then
-         CFLAGS_DEBUG_OPTIONS="$CFLAGS_DEBUG_OPTIONS  $CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG"
-         CXXFLAGS_DEBUG_OPTIONS="$CXXFLAGS_DEBUG_OPTIONS $CFLAG_DETECT_UNDEFINED_BEHAVIsOR_FLAG"
-       fi
        ;;
      esac
    fi
    AC_SUBST(CFLAGS_DEBUG_OPTIONS)
    AC_SUBST(CXXFLAGS_DEBUG_OPTIONS)
--- 346,355 ----