https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111300
--- Comment #4 from Hans-Peter Nilsson <hp at gcc dot gnu.org> --- (In reply to Jonathan Wakely from comment #2) > The FAIL should be gone after r14-3812-gb96b554592c5cb Confirmed > but the underlying > g++ problem is latent. So, keeping this PR open is TRT? Should the title then change to reflect a description of the latent error? Suggestion: "Mangling error exposed by <backtrace>", but I'm unsure.