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/* PR tree-optimization/84526 - ICE in generic_overlap
{ dg-do compile }
{ dg-options "-O2 -Wrestrict" } */
typedef __SIZE_TYPE__ size_t;
extern void* memcpy (void* restrict, const void* restrict, size_t);
extern char* strcat (char* restrict, const char* restrict);
extern char* strcpy (char* restrict, const char* restrict);
extern char* strncat (char* restrict, const char* restrict, size_t);
extern char* strncpy (char* restrict, const char* restrict, size_t);
struct
{
char a[1];
} b;
int i;
size_t n;
void __attribute__ ((noclone, noinline))
test_arr_memcpy_1 (void)
{
memcpy (&b.a[i], b.a, n);
}
void __attribute__ ((noclone, noinline))
test_arr_memcpy_2 (void)
{
memcpy (b.a, &b.a[i], n);
}
void __attribute__ ((noclone, noinline))
test_arr_strcat_1 (void)
{
strcat (&b.a[i], b.a); /* { dg-warning "\\\[-Wrestrict" } */
}
void __attribute__ ((noclone, noinline))
test_arr_strcat_2 (void)
{
/* This probably deserves a warning. */
strcpy (b.a, &b.a[i]);
}
void __attribute__ ((noclone, noinline))
test_arr_strncat_1 (void)
{
strncat (&b.a[i], b.a, n); /* { dg-warning "\\\[-Wrestrict" } */
}
void __attribute__ ((noclone, noinline))
test_arr_strncat_2 (void)
{
strncat (b.a, &b.a[i], n); /* { dg-warning "\\\[-Wrestrict" } */
}
void __attribute__ ((noclone, noinline))
test_arr_strcpy_1 (void)
{
strcpy (&b.a[i], b.a);
}
void __attribute__ ((noclone, noinline))
test_arr_strcpy_2 (void)
{
strcpy (b.a, &b.a[i]);
}
struct S {
int a;
char b[10];
} d;
void __attribute__ ((noclone, noinline))
test_obj_memcpy_1 (void)
{
memcpy (d.b, (char *) &d, n);
}
void __attribute__ ((noclone, noinline))
test_obj_memcpy_2 (void)
{
memcpy ((char *) &d, d.b, n);
}
void __attribute__ ((noclone, noinline))
test_obj_strcpy_1 (void)
{
strcpy (d.b, (char *) &d);
}
void __attribute__ ((noclone, noinline))
test_obj_strcpy_2 (void)
{
strcpy ((char *) &d, d.b);
}
void __attribute__ ((noclone, noinline))
test_obj_strncat_1 (void)
{
strncat (d.b, (char *) &d, n); /* { dg-warning "\\\[-Wrestrict" } */
}
void __attribute__ ((noclone, noinline))
test_obj_strncat_2 (void)
{
strncat ((char *) &d, d.b, n); /* { dg-warning "\\\[-Wrestrict" } */
}
void __attribute__ ((noclone, noinline))
test_obj_strncpy_1 (void)
{
strncpy (d.b, (char *) &d, n);
}
void test_obj_strncpy_2 (void)
{
strncpy ((char *) &d, d.b, n);
}
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