[Bug tree-optimization/69110] [4.9/5/6 Regression] execution failure in gcc.c-torture/execute/doloop-{1,2}.c with -ftree-parallelize-loops=2

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69110

--- Comment #17 from vries at gcc dot gnu.org ---
(In reply to vries from comment #15)
> https://gcc.gnu.org/ml/gcc-patches/2016-01/msg00801.html:
> ...
> > During testing however, I ran into two testsuite regressions:
> > 
> > 1.
> > 
> > -PASS: gfortran.dg/graphite/pr39516.f   -O  (test for excess errors)
> > +FAIL: gfortran.dg/graphite/pr39516.f   -O  (internal compiler error)
> > +FAIL: gfortran.dg/graphite/pr39516.f   -O  (test for excess errors)
> > 

I've managed to reproduce the pr39516.f failure in C, and modified the
test-case to trigger without the fix for this PR. Filed as PR69292.