[Bug target/78444] Wrong prologue stack alignment for implicit dtor on x86_64-darwin*

[iains at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78444

--- Comment #18 from Iain Sandoe <iains at gcc dot gnu.org> ---
Author: iains
Date: Mon Dec 24 12:47:58 2018
New Revision: 267406

URL: https://gcc.gnu.org/viewcvs?rev=267406&root=gcc&view=rev
Log:
Fix target/78444 on x86/Darwin.

2018-12-24  Iain Sandoe  <iain@sandoe.co.uk>

        Backport from mainline
        2018-12-06  Iain Sandoe  <iain@sandoe.co.uk>

        PR target/78444
        * config/i386/darwin.h (STACK_BOUNDARY): Remove macro.
        * config/i386/i386.c (ix86_compute_frame_layout): Ensure at least 128b
        stack alignment in non-leaf functions.


Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/config/i386/darwin.h
    branches/gcc-7-branch/gcc/config/i386/i386.c