https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84424
Martin Sebor <msebor at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |ice-on-valid-code Status|UNCONFIRMED |WAITING Last reconfirmed| |2018-02-16 CC| |jason at gcc dot gnu.org, | |msebor at gcc dot gnu.org Summary|ICE on C++ code: tree |[8 Regression] ICE on C++ |check: expected record_type |code: tree check: expected |or union_type or |record_type or union_type |qual_union_type, have |or qual_union_type, have |vector_type in |vector_type in |reduced_constant_expression |reduced_constant_expression |_p, at cp/constexpr.c:1766 |_p, at cp/constexpr.c:1766 Ever confirmed|0 |1 --- Comment #1 from Martin Sebor <msebor at gcc dot gnu.org> --- I can confirm it with r257668 but not with the top of trunk (r257768). The regression was introduced in r251948. I vaguely remember a bug with a test case similar to this one go by but I can't find it. Can you please retry with a newer revision and report back?