[Bug ipa/89330] IPA inliner touches released cgraph_edges

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89330

--- Comment #16 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Sun Jul 28 17:10:26 2019
New Revision: 273857

URL: https://gcc.gnu.org/viewcvs?rev=273857&root=gcc&view=rev
Log:
Release cgraph_{node,edge} via ggc_free (PR ipa/89330).

2019-07-28  Martin Liska  <mliska@suse.cz>

        PR ipa/89330
        * cgraph.c (symbol_table::create_edge): Always allocate
        a cgraph_edge.
        (symbol_table::free_edge): Store summary_id to
        edge_released_summary_ids if != -1;
        * cgraph.h (NEXT_FREE_NODE): Remove.
        (SET_NEXT_FREE_NODE): Likewise.
        (NEXT_FREE_EDGE): Likewise.
        (symbol_table::release_symbol): Store summary_id to
        cgraph_released_summary_ids if != -1;
        (symbol_table::allocate_cgraph_symbol): Always allocate
        a cgraph_node.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cgraph.c
    trunk/gcc/cgraph.h