https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78235
Bug ID: 78235 Summary: [7 Regression] libstdc++ testsuite run.cc ICE in int_bit_position Product: gcc Version: 7.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: libstdc++ Assignee: unassigned at gcc dot gnu.org Reporter: dje at gcc dot gnu.org Target Milestone: --- Target: powerpc-ibm-aix* Created attachment 39981 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39981&action=edit preprocessed source from 20_util/variant/run.cc In file included from /nasfarm/edelsohn/src/src/libstdc++-v3/testsuite/20_util/variant/run.cc:21: /tmp/GCC/powerpc-ibm-aix7.2.0.0/libstdc++-v3/include/variant: In instantiation of 'class std::variant<std::monostate, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >': /nasfarm/edelsohn/src/src/libstdc++-v3/testsuite/20_util/variant/run.cc:54: required from here /tmp/GCC/powerpc-ibm-aix7.2.0.0/libstdc++-v3/include/variant:956: internal compiler error: tree check: expected field_decl, have template_decl in int_bit_position, at tree.h:5396