http://gcc.gnu.org/bugzilla/show_bug.cgi?id=61014
--- Comment #5 from Sven Buijssen sven.buijssen at math dot uni-dortmund.de
---
git bisect along with a suitable script identified this gcc commit as culprit:
commit 599471650d6f0fb42b1c1c7e6b24ca21e65132fa
Author: ebotcazou ebotcazou@138bc75d
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: sven.buijssen at math dot uni-dortmund.de
(I am not exactly sure whether gfortran or gdb are to blame for this issue, but
I tend towards the former