[PATCH 1/3] Release structures on function return

[Jan Hubicka]

> The value vec objects are destroyed on exit, but release still needs to
> be called explicitly.
> 
> gcc/ChangeLog:
> 
> 	* tree-profile.cc (find_conditions): Release vectors before
> 	  return.
I wonder if you turn
    hash_map<int_hash<unsigned, 0>, vec<basic_block>> exprs;
to
    hash_map<int_hash<unsigned, 0>, auto_vec<basic_block>> exprs;
Won't hash_map destructor take care of this by itself?

Honza
> ---
>  gcc/tree-profile.cc | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/gcc/tree-profile.cc b/gcc/tree-profile.cc
> index e4bb689cef5..18f48e8d04e 100644
> --- a/gcc/tree-profile.cc
> +++ b/gcc/tree-profile.cc
> @@ -919,6 +919,9 @@ find_conditions (struct function *fn)
>      if (!have_post_dom)
>  	free_dominance_info (fn, CDI_POST_DOMINATORS);
>  
> +    for (auto expr : exprs)
> +      expr.second.release ();
> +
>      cov->m_masks.safe_grow_cleared (2 * cov->m_index.last ());
>      const size_t length = cov_length (cov);
>      for (size_t i = 0; i != length; i++)
> -- 
> 2.39.2
>