blob: 5e787360314d4f19192cbcf1626e3c5474ba6ed2 [file] [log] [blame]
/* PR tree-optimization/86614 - duplicate -Warray-bounds for a strncpy
call with out-of-bounds offset
{ dg-do compile }
{ dg-options "-O2 -Warray-bounds" } */
#if __cplusplus
extern "C"
#endif
char *strncpy (char *, const char *, __SIZE_TYPE__);
void sink (void *);
struct A { char b[17]; } a[2];
void g (const char *s, unsigned n)
{
int i = (char *)a[1].b - (char *)a + 1;
char *d = a[1].b;
/* Verify the bug is diagnosed exactly once, using either form
of the warning. */
strncpy (d + i, s, n); /* { dg-warning "array subscript \[0-9]+ is outside array bounds|offset \[0-9]+ is out of the bounds" } */
/* { dg-bogus "offset \[0-9]+ is out of the bounds|array subscript \[0-9]+ is outside array bounds" "" { target *-*-* } .-1 } */
}