osdep: poison {HOST,TARGET}_WORDS_BIGENDIAN

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220323155743.1585078-9-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

include/qemu/osdep.h

@@ -34,6 +34,18 @@
 #include "exec/poison.h"
 #endif
 
+/*
+ * HOST_WORDS_BIGENDIAN was replaced with HOST_BIG_ENDIAN. Prevent it from
+ * creeping back in.
+ */
+#pragma GCC poison HOST_WORDS_BIGENDIAN
+
+/*
+ * TARGET_WORDS_BIGENDIAN was replaced with TARGET_BIG_ENDIAN. Prevent it from
+ * creeping back in.
+ */
+#pragma GCC poison TARGET_WORDS_BIGENDIAN
+
 #include "qemu/compiler.h"
 
 /* Older versions of C++ don't get definitions of various macros from