[Bug rtl-optimization/78652] [7 regression]LRA generates wrong code by inheriting changed register

[amker at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78652

--- Comment #4 from amker at gcc dot gnu.org ---
Looks like Vlad already fixed this @ below commit:

commit 6526e1b66785b76d71926b20c9eb299e74a2d255
Author: vmakarov <vmakarov@138bc75d-0d04-0410-961f-82ee72b054a4>
Date:   Wed Nov 30 17:35:40 2016 +0000

    2016-11-30  Vladimir Makarov  <vmakarov@redhat.com>

        PR tree-optimization/77856
        * lra-constraints.c (inherit_in_ebb): Check original regno for
        invalid invariant regs too.  Set only clobbered hard regs for the
        invalid invariant regs.

    2016-11-30  Vladimir Makarov  <vmakarov@redhat.com>

        PR tree-optimization/77856
        * gcc.target/i386.c (pr77856.c): New.



    git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@243038
138bc75d-0d04-0410-961f-82ee72b054a4


I will double check and close this PR.

Thanks.