[Bug c++/85607] New: ice in add_type, at ipa-icf.c:1583

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85607

            Bug ID: 85607
           Summary: ice in add_type, at ipa-icf.c:1583
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dcb314 at hotmail dot com
  Target Milestone: ---

>From the gcc test suite, the file g++.dg/warn/incomplete1.C, when compiled
with flag -O2 on recent gcc trunk, does this:

during IPA pass: icf
./g++.dg/warn/incomplete1.C:22:1: internal compiler error: in add_type, at
ipa-i
cf.c:1583
 }
 ^
0x7d3202 ipa_icf::sem_item::add_type(tree_node const*, inchash::hash&)
        ../../trunk/gcc/ipa-icf.c:1583
0x1a4853b ipa_icf::sem_function::hash_stmt(gimple*, inchash::hash&)
        ../../trunk/gcc/ipa-icf.c:1658
0x1a4853b ipa_icf::sem_function::init()
        ../../trunk/gcc/ipa-icf.c:1432
0x1a5045d ipa_icf::sem_function::parse(cgraph_node*, bitmap_obstack*)
        ../../trunk/gcc/ipa-icf.c:1717

I'll have my usual go at finding a range of revisions and a small test case.