https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91445

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
           Assignee|unassigned at gcc dot gnu.org      |rguenth at gcc dot 
gnu.org

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
FREs redundant store removal is guilty.

struct S { _Bool x; };

void foo (struct S *s)
{
  __builtin_memset (s, 0x11, sizeof (struct S));
  s->x = 1;
}

has the store to s->x removed.

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