https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98972
--- Comment #3 from Zhuo Zhang <zhan3299 at purdue dot edu> --- I reduced the test-case, and the simplest test-case should be: --- crash1.cc starts --- constexpr p([](register const signed struct s; --- crash1.cc ends --- The bug is also reproduced on the commit 8d0737d8f4b10bffe0411507ad2dc21ba7679883. Hope it can help. Thanks.
