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/* PR middle-end/93829 - bogus -Wstringop-overflow on memcpy of a struct
with a pointer member from another with a long string
{ dg-do compile }
{ dg-options "-O2 -Wall" } */
extern void* memcpy (void*, const void*, __SIZE_TYPE__);
#define S40 "0123456789012345678901234567890123456789"
const char s40[] = S40;
struct S
{
const void *p, *q, *r;
} s, sa[2];
void test_lit_decl (void)
{
struct S t = { 0, S40, 0 };
memcpy (&s, &t, sizeof t); // { dg-bogus "-Wstringop-overflow" }
}
void test_str_decl (void)
{
struct S t = { 0, s40, 0 };
memcpy (&s, &t, sizeof t); // { dg-bogus "-Wstringop-overflow" }
}
void test_lit_ssa (int i)
{
if (i < 1)
i = 1;
struct S *p = &sa[i];
struct S t = { 0, S40, 0 };
memcpy (p, &t, sizeof t); // { dg-bogus "-Wstringop-overflow" }
}
void test_str_ssa (int i)
{
if (i < 1)
i = 1;
struct S *p = &sa[i];
struct S t = { 0, s40, 0 };
memcpy (p, &t, sizeof t); // { dg-bogus "-Wstringop-overflow" }
}
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