https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61637
--- Comment #21 from Krishnamoorthy C <chandrakm at hotmail dot com> --- (In reply to David Edelsohn from comment #20) > This probably is related to PR 28586. The detail that the failure occurs > when exceptions are thrown within constructors was important. > > MD_FALLBACK_FRAME_STATE_FOR has been implemented to 32 bit AIX but not 64 > bit AIX. That probably explains why this works in 32 bit mode but not 64 bit > mode. Hi Dave - Is the problem with , throwing exceptions from constructors, an officially known issue or just a hunch. yes my problems appears to be similar to what was in PR 28586. Is there any workaround at all for this.