blob: 8188dd8005f98c0b5400f90c648d47c4d6b76bba [file] [log] [blame]
/* PR middle-end/100325 - missing warning with -O0 on sprintf overflow with
pointer plus offset
{ dg-do compile }
{ dg-options "-O0 -Wall" } */
#define S(n) (&"0123456789"[10 - n])
extern int sprintf (char*, const char*, ...);
char d[10];
void nowarn_d10_s9 ()
{
sprintf (d, "%s", S (9)); // { dg-bogus "-Wformat-overflow" }
}
void warn_d10_s10 ()
{
sprintf (d, "%s", S (10)); // { dg-warning "-Wformat-overflow" }
}