[Bug tree-optimization/70171] Poor code generated when return struct using ternary operator

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70171

--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Apr 19 14:03:59 2016
New Revision: 235208

URL: https://gcc.gnu.org/viewcvs?rev=235208&root=gcc&view=rev
Log:
2016-04-19  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70171
        * tree-ssa-phiprop.c: Include stor-layout.h.
        (phiprop_insert_phi): Handle the aggregate copy case.
        (propagate_with_phi): Likewise.

        * g++.dg/tree-ssa/pr70171.C: New testcase.

Added:
    trunk/gcc/testsuite/g++.dg/tree-ssa/pr70171.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-phiprop.c