https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88709
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |redi at gcc dot gnu.org
--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Compared to the first testcase, we do handle
struct S { char buf[8]; };
void bar (struct S *);
void
foo (void)
{
struct S s;
int a = 0;
__builtin_memcpy (&s.buf[4], &a, sizeof (int));
s.buf[0] = 5;
s.buf[1] = 2;
s.buf[2] = 3;
s.buf[3] = 2;
s.buf[5] = 7;
bar (&s);
}
though, because the store is in that case MEM[&s + 4B] = {} and thus valid for
lhs.
