[Bug tree-optimization/88932] [8/9 Regression] ICE: verify_ssa failed (Error: definition in block 29 does not dominate use in block 25)

[amker at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88932

--- Comment #7 from bin cheng <amker at gcc dot gnu.org> ---
Author: amker
Date: Fri Feb  1 02:56:41 2019
New Revision: 268440

URL: https://gcc.gnu.org/viewcvs?rev=268440&root=gcc&view=rev
Log:
        Backport from mainline
        2019-02-01  Bin Cheng  <bin.ch...@linux.alibaba.com>

        PR tree-optimization/88932
        * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.

        gcc/testsuite
        2019-02-01  Bin Cheng  <bin.ch...@linux.alibaba.com>

        PR tree-optimization/88932
        * gfortran.dg/pr88932.f90: New test.

Added:
    branches/gcc-8-branch/gcc/testsuite/gfortran.dg/pr88932.f90
Modified:
    branches/gcc-8-branch/gcc/ChangeLog
    branches/gcc-8-branch/gcc/testsuite/ChangeLog
    branches/gcc-8-branch/gcc/tree-predcom.c