[Bug tree-optimization/91178] [9 Regression] Infinite recursion in split_constant_offset in slp after r260289

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91178

--- Comment #12 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed Jul 31 09:46:18 2019
New Revision: 273928

URL: https://gcc.gnu.org/viewcvs?rev=273928&root=gcc&view=rev
Log:
2019-07-31  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/91178
        * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
        Use tail-recursion.

        * gcc.dg/torture/pr91178-2.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr91178-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-sccvn.c