memcpy-4.c: In function 'main':
memcpy-4.c:6: warning: non-positive bounds length (-100) detected
memcpy-4.c:6: warning: non-positive bounds length (-100) detected
memcpy-4.c:6: warning: non-positive bounds length (-100) detected
memcpy-4.c:6: warning: non-positive bounds length (-100) detected