http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51218
--- Comment #5 from Steve Kargl <sgk at troutmask dot apl.washington.edu> 2011-11-19 03:47:39 UTC --- On Sat, Nov 19, 2011 at 12:40:49AM +0000, kargl at gcc dot gnu.org wrote: > > The miscompilation is triggered by -ffrontend-optimize, work-around: use > > -fno-frontend-optimize. > > Revision 171653 is dealing with the frontend optimization. If I am not > > mistaken, it is the only change dealing with frontend optimization after > > r171100, although I don't understand how this revision could cause a > > miscompilation. > > > > The crash occurs in __mo_dec_matrix_MOD_sum_vector. > > Looks like a bug in the application, but the interesting > coding style makes it hard for me to read. If one removes > > call delete_storage (x) > > in sum_vector the problem goes away. That is, it looks like > over-active memory management hidden beneath a layer of > obfusication. > Having looked at the code some more, I believe it is noconforming, and this PR should be closed with INVALID,
