https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93530
Bug ID: 93530 Summary: [10 Regression] ICE on invalid alignas Product: gcc Version: 10.0 Status: UNCONFIRMED Keywords: ice-on-invalid-code Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: kretz at kde dot org Target Milestone: --- Test case (no flags required): template <typename> struct a { using b = a; void c() alignas(b::d); }; This test case fell out of creduce while trying to reduce a different ICE. This should diagnose a) that b::d does not exist b) that alignas is incorrectly placed