1 /* { dg-do compile } */ 2 /* { dg-options "-O -fdump-tree-optimized" } */ 3 4 void sink (void*); 5 f(const char * s)6void f (const char *s) 7 { 8 char a[256]; 9 10 __builtin_memset (a, 0, sizeof a); // redundant memset 11 __builtin_strncpy (a, s, sizeof a); 12 13 sink (a); 14 } 15 16 /* { dg-final { scan-tree-dump-not "memset" "optimized" } } */ 17