Use NONMATCHING on modern for gcc-arm-none-eabi

include/config.h

@@ -38,7 +38,12 @@
 // Crashes may occur due to section reordering in the modern build,
 // so we force BUGFIX here.
 #if MODERN
+#ifndef BUGFIX
 #define BUGFIX
+#endif // BUGFIX
+#ifndef NONMATCHING
+#define NONMATCHING
+#endif // NONMATCHING
 #endif // MODERN
 
 #endif // GUARD_CONFIG_H