[Bug ipa/65432] [5 Regression] Invalid read of size 1: ipa_icf::sem_item_optimizer::merge_classes(unsigned int) (ipa-icf.c:2958)

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65432

--- Comment #6 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Wed Mar 18 14:16:59 2015
New Revision: 221491

URL: https://gcc.gnu.org/viewcvs?rev=221491&root=gcc&view=rev
Log:
Fix PR ipa/65432

    PR ipa/65432
    * cgraph.c (cgraph_node::get_create): Remove unnecessary
    xstrdup_for_dump wrapper.
    * ipa-icf.c (sem_item::dump): Use symtab_node::name instead of
    sem_item::name.
    (sem_function::equals): Wrap symtab_node::name and symtab_node::asm_name
    with xstrdup_for_dump.
    (sem_variable::equals): Likewise.
    (sem_item_optimizer::read_section): Use symtab_node::name instead of
    sem_item::name.
    (sem_item_optimizer::parse_funcs_and_vars): Likewise.
    (sem_item_optimizer::merge_classes): Wrap symtab_node::name and
    symtab_node::asm_name with xstrdup_for_dump.
    (congruence_class::dump): Use symtab_node::name instead of
    sem_item::name.
    * ipa-icf.h (symtab_node::name): Remove.
    (symtab_node::asm_name): Likewise.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cgraph.c
    trunk/gcc/ipa-icf.c
    trunk/gcc/ipa-icf.h