[Bug ipa/65245] [5 Regression] internal compiler error: in address_matters_p, at symtab.c:1908

[hubicka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65245

--- Comment #4 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
Author: hubicka
Date: Sun Mar  1 20:23:21 2015
New Revision: 221090

URL: https://gcc.gnu.org/viewcvs?rev=221090&root=gcc&view=rev
Log:

2015-02-28  Martin Liska  <mli...@suse.cz>
        Jan Hubicka   <hubi...@ucw.cz>

    PR ipa/65245
    * ipa-icf-gimple.c (func_checker::compare_function_decl):
    Remove.
    (func_checker::compare_variable_decl): Skip symtab vars.
    (func_checker::compare_cst_or_decl): Update.
    * ipa-icf.c (sem_function::parse): Do not consider aliases.
    (sem_function::compare_cgraph_references): Add ADDRESS parameter;
    use correct symtab predicates.
    (sem_function::equals_wpa): Update uses of compare_cgraph_references.
    (sem_variable::parse):  Update comment.
    (sem_item_optimizer::build_graph): Consider ultimate aliases
    for references.

    * gcc.dg/ipa/ipa-icf-34.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/ipa/ipa-icf-34.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-icf-gimple.c
    trunk/gcc/ipa-icf.c
    trunk/gcc/ipa-icf.h
    trunk/gcc/testsuite/ChangeLog