[Bug target/67770] [4.9 Regression] i386: -fshrink-wrap can interact badly with trampolines

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67770

--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Thu Feb 11 09:04:19 2016
New Revision: 233319

URL: https://gcc.gnu.org/viewcvs?rev=233319&root=gcc&view=rev
Log:
        Backported from mainline
        2015-11-19  Jakub Jelinek  <jakub@redhat.com>

        PR target/67770
        * config/i386/i386.md (simple_return): Disable if
        ix86_static_chain_on_stack is true.

        * gcc.target/i386/pr67770.c: New test.

Added:
    branches/gcc-4_9-branch/gcc/testsuite/gcc.target/i386/pr67770.c
Modified:
    branches/gcc-4_9-branch/gcc/ChangeLog
    branches/gcc-4_9-branch/gcc/config/i386/i386.md
    branches/gcc-4_9-branch/gcc/testsuite/ChangeLog