[Bug c/65287] New: Current trunk ICE in address_matters_p, at symtab.c:1908

[ppluzhnikov at google dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65287

            Bug ID: 65287
           Summary: Current trunk ICE in address_matters_p, at
                    symtab.c:1908
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: ppluzhnikov at google dot com

Created attachment 34927
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34927&action=edit
test case

Continued from PR 65263

r221040 is also possibly causing:

  ../sysdeps/gnu/siglist.c:77:1: internal compiler error: in address_matters_p,
at symtab.c:1908

when building trunk GLIBC (seen with GCC @r221125; same source builds with GCC
@r220312).

../sysdeps/gnu/siglist.c:77:1: internal compiler error: in address_matters_p,
at symtab.c:1908
 versioned_symbol (libc, __new_sys_sigabbrev, sys_sigabbrev, GLIBC_2_1);
 ^
0x747118 symtab_node::address_matters_p()
    ../../gcc/symtab.c:1908
0x10e1dcb ipa_icf::sem_variable::merge(ipa_icf::sem_item*)
    ../../gcc/ipa-icf.c:1723
0x10e4b21 ipa_icf::sem_item_optimizer::merge_classes(unsigned int)
    ../../gcc/ipa-icf.c:2955
0x10ed8c4 ipa_icf::sem_item_optimizer::execute()
    ../../gcc/ipa-icf.c:2217
0x10ef521 ipa_icf_driver
    ../../gcc/ipa-icf.c:3034
0x10ef521 ipa_icf::pass_ipa_icf::execute(function*)
    ../../gcc/ipa-icf.c:3081
Please submit a full bug report,

Reproduces with:
gcc-svn-r221125/bin/gcc -c -O2 /tmp/t.i