[Bug tree-optimization/88148] [9 Regression] ICE in tree_nop_conversion_p at gcc/tree.c:12550 since r264273

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88148

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Nov 22 14:08:44 2018
New Revision: 266378

URL: https://gcc.gnu.org/viewcvs?rev=266378&root=gcc&view=rev
Log:
2018-11-22  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/88148
        * tree-ssa-loop-niter.c (simplify_replace_tree): Get optional
        valueization callback parameter and handle it.
        * tree-ssa-loop-niter.h (simplify_replace_tree): Export.
        * tree-ssa-sccvn.c (process_bb): Eliminate in loop niter trees.

        * gfortran.dg/pr88148.f90: New testcase.

Added:
    trunk/gcc/testsuite/gfortran.dg/pr88148.f90
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-loop-niter.c
    trunk/gcc/tree-ssa-loop-niter.h
    trunk/gcc/tree-ssa-sccvn.c