[Bug tree-optimization/81744] [8 Regression] ICE: verify_ssa failed, at tree-ssa.c:1186

[amker at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81744

--- Comment #7 from amker at gcc dot gnu.org ---
Author: amker
Date: Tue Aug  8 11:32:05 2017
New Revision: 250950

URL: https://gcc.gnu.org/viewcvs?rev=250950&root=gcc&view=rev
Log:
        PR tree-optimization/81744
        * tree-predcom.c (prepare_finalizers_chain): Deep copy expr of
        loop's number of iterations.

        gcc/testsuite
        * gcc.dg/tree-ssa/pr81744.c: New.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr81744.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-predcom.c