[Bug tree-optimization/97627] [9 Regression] loop end condition missing - endless loop with -fPIC

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97627

--- Comment #15 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rgue...@gcc.gnu.org>:

https://gcc.gnu.org/g:f4e426f7bd7df279cb7aaecd91d273d9b7db338d

commit r11-6972-gf4e426f7bd7df279cb7aaecd91d273d9b7db338d
Author: Richard Biener <rguent...@suse.de>
Date:   Fri Jan 29 11:17:42 2021 +0100

    tree-optimization/97627 - Avoid computing niters for fake edges

    This avoids computing niters information for fake edges.

    2021-01-29  Bin Cheng  <bin.ch...@linux.alibaba.com>
                Richard Biener  <rguent...@suse.de>

            PR tree-optimization/97627
            * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions):
            Do not analyze fake edges.

            * g++.dg/pr97627.C: New testcase.