[Bug tree-optimization/87465] [8 Regression] Loop removal regression

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87465

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Oct  1 13:10:48 2018
New Revision: 264758

URL: https://gcc.gnu.org/viewcvs?rev=264758&root=gcc&view=rev
Log:
2018-10-01  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/87465
        * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Fix typo
        causing branch miscounts.

        * gcc.dg/tree-ssa/cunroll-15.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/cunroll-15.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-loop-ivcanon.c