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From: "hubicka at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug bootstrap/65150] [5 Regression] r220875 causes bootstrap failure on x86_64 darwin
Date: Fri, 27 Feb 2015 06:14:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65150

--- Comment #22 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
Author: hubicka
Date: Fri Feb 27 02:06:48 2015
New Revision: 221040

URL: https://gcc.gnu.org/viewcvs?rev=221040&root=gcc&view=rev
Log:
    PR bootstrap/65150
    * ipa-icf.c (symbol_compare_collection::symbol_compare_colleciton):
    Use address_matters_p.
    (redirect_all_callers, set_addressable): New functions.
    (sem_function::merge): Reorganize and fix merging issues.
    (sem_variable::merge): Likewise.
    (sem_variable::compare_sections): Remove.
    * common.opt (fmerge-all-constants, fmerge-constants): Remove
    Optimization flag.
    * symtab.c (symtab_node::resolve_alias): When alias has aliases,
    redirect them.
    (symtab_node::make_decl_local): Set ADDRESSABLE bit when
    decl is used.
    (address_matters_1): New function.
    (symtab_node::address_matters_p): New function.
    * cgraph.c (cgraph_edge::verify_corresponds_to_fndecl): Fix
    check for merged flag.
    * cgraph.h (address_matters_p): Declare.
    (symtab_node::address_taken_from_non_vtable_p): Remove.
    (symtab_node::address_can_be_compared_p): New method.
    (ipa_ref::address_matters_p): Move here from ipa-ref.c; simplify.
    * ipa-visibility.c (symtab_node::address_taken_from_non_vtable_p):
    Remove.
    (comdat_can_be_unshared_p_1) Use address_matters_p.
    (update_vtable_references): Fix formating.
    * ipa-ref.c (ipa_ref::address_matters_p): Move inline.
    * cgraphunit.c (cgraph_node::create_wrapper): Drop UNINLINABLE flag.
    * cgraphclones.c: Preserve merged and icf_merged flags.

Added:
    trunk/gcc/testsuite/gcc.dg/ipa/ipa-cp-1.c
    trunk/gcc/testsuite/gcc.dg/ipa/ipa-cp-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cgraph.c
    trunk/gcc/cgraph.h
    trunk/gcc/cgraphclones.c
    trunk/gcc/cgraphunit.c
    trunk/gcc/common.opt
    trunk/gcc/ipa-icf.c
    trunk/gcc/ipa-ref.c
    trunk/gcc/ipa-visibility.c
    trunk/gcc/symtab.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/g++.dg/ipa/ipa-icf-4.C
    trunk/gcc/testsuite/g++.dg/warn/Wsuggest-final.C
    trunk/gcc/testsuite/gcc.dg/ipa/iinline-5.c
    trunk/gcc/testsuite/gcc.dg/pr28685-1.c
    trunk/gcc/testsuite/gcc.dg/pr64454.c