While updating my devkitARM I found this buffer overflow:
src/input/bworld.c:56:3: warning: '__builtin_memcpy' forming offset 21 is out of the bounds [0, 20] of object 'bdata' with type 'uint8[20]' {aka 'unsigned char[20]'} [-Warray-bounds]
strcpy((char*)&bdata[13], "SUNSOFT");