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From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug ipa/64668] New: internal compiler error: in compare_ssa_name, at ipa-icf-gimple.c:120
Date: Mon, 19 Jan 2015 12:07:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64668

            Bug ID: 64668
           Summary: internal compiler error: in compare_ssa_name, at
                    ipa-icf-gimple.c:120
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: ipa
          Assignee: unassigned at gcc dot gnu.org
          Reporter: mpolacek at gcc dot gnu.org

Created attachment 34483
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34483&action=edit
preprocessed source

./cc1obj -fpreprocessed ~/cc2vvJ2q.err -quiet -O2
-fconstant-string-class=NSConstantString -o /dev/null 
GormScrollViewAttributesInspector.m:122:1: internal compiler error: in
compare_ssa_name, at ipa-icf-gimple.c:133
0x11b3502 ipa_icf_gimple::func_checker::compare_ssa_name(tree_node*,
tree_node*)
    /home/polacek/src/gcc/gcc/ipa-icf-gimple.c:133
0x11b39c7 ipa_icf_gimple::func_checker::compare_operand(tree_node*, tree_node*)
    /home/polacek/src/gcc/gcc/ipa-icf-gimple.c:459
0x11b39c7 ipa_icf_gimple::func_checker::compare_operand(tree_node*, tree_node*)
    /home/polacek/src/gcc/gcc/ipa-icf-gimple.c:358
0x11b5ef1 ipa_icf_gimple::func_checker::compare_gimple_call(gcall*, gcall*)
    /home/polacek/src/gcc/gcc/ipa-icf-gimple.c:732
0x11b66e6 ipa_icf_gimple::func_checker::compare_bb(ipa_icf_gimple::sem_bb*,
ipa_icf_gimple::sem_bb*)
    /home/polacek/src/gcc/gcc/ipa-icf-gimple.c:658
0x11ab7bd ipa_icf::sem_function::equals_private(ipa_icf::sem_item*,
hash_map<symtab_node*, ipa_icf::sem_item*, default_hashmap_traits>&)
    /home/polacek/src/gcc/gcc/ipa-icf.c:544
0x11ab847 ipa_icf::sem_function::equals(ipa_icf::sem_item*,
hash_map<symtab_node*, ipa_icf::sem_item*, default_hashmap_traits>&)
    /home/polacek/src/gcc/gcc/ipa-icf.c:406
0x11ac922 ipa_icf::sem_item_optimizer::subdivide_classes_by_equality(bool)
    /home/polacek/src/gcc/gcc/ipa-icf.c:1912
0x11b093c ipa_icf::sem_item_optimizer::execute()
    /home/polacek/src/gcc/gcc/ipa-icf.c:1731
0x11b1bc1 ipa_icf_driver
    /home/polacek/src/gcc/gcc/ipa-icf.c:2460
0x11b1bc1 ipa_icf::pass_ipa_icf::execute(function*)
    /home/polacek/src/gcc/gcc/ipa-icf.c:2508
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.


Note that this is ObjC so I can't really reduce this.
Started with r219379.