https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92441
Bug ID: 92441 Summary: [10-regression] ICE: in strip_typedefs, at cp/tree.c:1681 Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: h2+bugs at fsfe dot org Target Milestone: --- Created attachment 47206 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47206&action=edit intermediate code Intermediate code is attached. Build with -std=c++17 -fconcepts. Possibly related to https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91930 (but not fixed by the proposed patch). GCC version: g++10 (FreeBSD Ports Collection) 10.0.0 20191103 Log: In file included from /home/hannes/devel/seqan3/submodules/range-v3/include/range/v3/iterator/concepts.hpp:30, from /home/hannes/devel/seqan3/submodules/range-v3/include/range/v3/range/concepts.hpp:28, from /home/hannes/devel/seqan3/include/seqan3/std/ranges:28, from /home/hannes/devel/seqan3/include/seqan3/core/concept/core_language.hpp:19, from /home/hannes/devel/seqan3/include/seqan3/alphabet/concept.hpp:17, from /home/hannes/devel/seqan3/test/unit/alphabet/nucleotide/../alphabet_constexpr_test_template.hpp:10, from /home/hannes/devel/seqan3/test/unit/alphabet/nucleotide/dna4_test.cpp:8: /home/hannes/devel/seqan3/submodules/range-v3/include/range/v3/iterator/access.hpp:222:76: internal compiler error: in strip_typedefs, at cp/tree.c:1681 222 | is_swappable_with<iter_reference_t<I0>, iter_reference_t<I1>>::value> | ^~ Please submit a full bug report, with preprocessed source if appropriate. See <https://gcc.gnu.org/bugs/> for instructions.