[Bug middle-end/51285] [4.7 Regression] internal compiler error: in check_loop_closed_ssa_use, at tree-ssa-loop-manip.c

[burnus at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51285

--- Comment #3 from Tobias Burnus <burnus at gcc dot gnu.org> 2011-11-24 18:07:14 UTC ---
(In reply to comment #2)
> In that range there is the following commit
> http://gcc.gnu.org/viewcvs/trunk/gcc/fortran/trans-decl.c?r1=172307&r2=172604&pathrev=172604
> It could be a coincidence, but this thing
> -  /* Do not use procedures that have a procedure argument because this
> -     can result in problems of multiple decls during inlining.  */
> seems to hold. The ICE is removed with
> gfortran -O3 -fno-inline-functions bug.f90

I think it can well be that that commit exposes the bug as it removed a double
declaration for the same function. The removal should allow inlining. Thus,
that's in line with -fno-inline-functions "fixing" the issue on the trunk.
However, I doubt that the commit causes the bug.