Fix compiler crash on error.
Fix compiler crash on error.

mrGeen/cython,roxyboy/cython,ChristopherHogan/cython,mcanthony/cython,acrispin/cython,andreasvc/cython,JelleZijlstra/cython,encukou/cython,rguillebert/CythonCTypesBackend,fperez/cython,roxyboy/cython,bzzzz/cython,hpfem/cython,andreasvc/cython,encukou/cython,c-blake/cython,hhsprings/cython,hickford/cython,hpfem/cython,mrGeen/cython,c-blake/cython,rguillebert/CythonCTypesBackend,dahebolangkuan/cython,roxyboy/cython,acrispin/cython,madjar/cython,c-blake/cython,da-woods/cython,mrGeen/cython,acrispin/cython,acrispin/cython,mrGeen/cython,da-woods/cython,fabianrost84/cython,achernet/cython,slonik-az/cython,hickford/cython,andreasvc/cython,JelleZijlstra/cython,hhsprings/cython,fperez/cython,encukou/cython,ABcDexter/cython,hpfem/cython,cython/cython,hpfem/cython,c-blake/cython,slonik-az/cython,larsmans/cython,mcanthony/cython,hpfem/cython,marscher/cython,ChristopherHogan/cython,larsmans/cython,ABcDexter/cython,slonik-az/cython,marscher/cython,bzzzz/cython,larsmans/cython,fperez/cython,cython/cython,andreasvc/cython,hhsprings/cython,mcanthony/cython,fabianrost84/cython,achernet/cython,scoder/cython,larsmans/cython,dahebolangkuan/cython,madjar/cython,da-woods/cython,fabianrost84/cython,roxyboy/cython,achernet/cython,madjar/cython,bzzzz/cython,fperez/cython,hickford/cython,marscher/cython,scoder/cython,ChristopherHogan/cython,rguillebert/CythonCTypesBackend,achernet/cython,mcanthony/cython,fabianrost84/cython,marscher/cython,cython/cython,marscher/cython,JelleZijlstra/cython,scoder/cython,dahebolangkuan/cython,da-woods/cython,fperez/cython,JelleZijlstra/cython,encukou/cython,larsmans/cython,encukou/cython,acrispin/cython,hickford/cython,ABcDexter/cython,cython/cython,achernet/cython,fabianrost84/cython,scoder/cython,dahebolangkuan/cython,hhsprings/cython,hhsprings/cython,ABcDexter/cython,dahebolangkuan/cython,JelleZijlstra/cython,roxyboy/cython,madjar/cython,slonik-az/cython,mrGeen/cython,hickford/cython,bzzzz/cython,andreasvc/cython,slonik-az/cython,mcanthony/cython,rguillebert/CythonCTypesBackend,ABcDexter/cython,madjar/cython,c-blake/cython