[Bug tree-optimization/89664] [8 Regression] ICE in free_bb, at tree-ssa-math-opts.c:522

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89664

--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Mar 12 16:15:47 2019
New Revision: 269618

URL: https://gcc.gnu.org/viewcvs?rev=269618&root=gcc&view=rev
Log:
2019-03-12  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/89664
        * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
        free the occurance tree after the early out.

        * gfortran.dg/pr89664.f90: New testcase.

Added:
    branches/gcc-8-branch/gcc/testsuite/gfortran.dg/pr89664.f90
Modified:
    branches/gcc-8-branch/gcc/ChangeLog
    branches/gcc-8-branch/gcc/testsuite/ChangeLog
    branches/gcc-8-branch/gcc/tree-ssa-math-opts.c