[Bug target/78444] Wrong prologue stack alignment for implicit dtor on x86_64-darwin*

[ubizjak at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78444

--- Comment #13 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Iain Sandoe from comment #12)
> +  /* If we're profiling, we don't have a leaf.  */
> +  gcc_assert (!crtl->is_leaf || !crtl->profile);
>    stack_alignment_needed = crtl->stack_alignment_needed / BITS_PER_UNIT;
>    preferred_alignment = crtl->preferred_stack_boundary / BITS_PER_UNIT;

This assert looks too risky to me, considering how many approaches to profiling
generic x86 has. I think that adding

if (TARGET_MACHO && crtl->profile)
  {
    crtl->preferred_stack_boundary = 128;
    crtl->stack_alignment_needed = 128;
  }

should be the fail-safe solutiom.