[Bug middle-end/81408] Lots of new -Wunsafe-loop-optimizations warnings with 7 compared to 6

[amker at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81408

--- Comment #10 from amker at gcc dot gnu.org ---
Author: amker
Date: Tue Jul 18 11:40:38 2017
New Revision: 250304

URL: https://gcc.gnu.org/viewcvs?rev=250304&root=gcc&view=rev
Log:
        PR target/81408
        * tree-ssa-loop-niter.c (number_of_iterations_exit): Dump missed
        optimization for loop niter analysis.

        gcc/testsuite
        * g++.dg/tree-ssa/pr81408.C: New.
        * gcc.dg/tree-ssa/pr19210-1.c: Check dump message rather than warning.

Added:
    trunk/gcc/testsuite/g++.dg/tree-ssa/pr81408.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr19210-1.c
    trunk/gcc/tree-ssa-loop-niter.c